Poke | Statistics All Contents

Statistics All Contents

410 videos • 1,029 views • by Fatemeh Yarahmadi

Confidence Interval for Population Mean When sigma is Given Admission Example TI84

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IQR and Outliers Using Quartiles with Example

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Introduction to Quartiles and 5 Number Summary

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Goodness of Fit

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Correlation and Regression Line Formulas and Examples

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Realizeit Regression Line Questions/ Solution

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Introduction to Scatter Plots

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Introduction to Correlation Coeffient

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Introduction to Regression Line

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Realizeit Hypothesis Testing Using T Distribution and P-Value

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Hypothesis Testing for Mean. Pit Stop Example using P-Value

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Type I and Type II Error in Salmonella Contamination Case

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Basics of Hypothesis Testing

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Realizeit Confidence Interval for Mean when sigma is Missing

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Finding The Mean of Discrete Probability Distribution

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Student's T Distribution for Population Mean When Sigma is Missing Realizeit

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Confidence Interval for Population Mean when Sigma is Given TI84

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Given c confidence level and margin of error E, minimum sample size n to estimate proportion p is

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Statistics- Confidence Interval for Population proportion Dangerous Drivers T84

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Confidence Interval for Population Proportion of U.S Teens Owns Smartphones TI84

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Realizieit- Random Variable, Normal Distribution and Empirical Rule

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Realizeit Empirical Rule and Normal Distribution

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A survey indicates that for each trip to a supermarket, a shopper spends an average of 45 minutes

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A survey indicates that people keep their cell phone an average of 1.5 years before buying a new one

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Statistics- Z score and Normal Distribution

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Statistics Exam 1 Error Analysis

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Statistics Exam 1 Review: Mean, Median, Standard Deviation, Histogram, Midpoint, Width of Class

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Statistics: Binomial Experiment, Binomial Probability Distribution binomialcdf(x=a)

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Statistics: Binomial Experiment, Binomial Probability Distribution binomialpdf(x=a)

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Definition and Example of Discrete Probability Distribution

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Realizeit Discrete Probability Distribution for Residents in Properties

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Probability and Probability Distribution for Discrete Random Variable

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Sample Space and Outcomes in Tossing a Coin and Rolling a Die

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Calculate Deviation, Variance, Standard Deviation for Tampa Bay Rays and Texas Ranges

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Difference Between Population Variance and Sample Variance Formulas

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Use TI84 to Calculate the Standard Deviation of Athletes Age

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Which Value Has The Greatest Impact on Standard Deviation?

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Realizeit: Calculate the Deviation from The Mean for Outlier

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Measure of Variation- Sample and Population Standard Deviation Using TI84

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Measure of Variation in Statistics- Range=Maximum-Minimum

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Realizeit Collaboration Mean and Median of Salary Basketball Players Using TI 83 84

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Realizeit Collaboration Median St. Louis Temperature Using TI 83 84

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Realizeit Collaboration Compare St. Louis Temperature Using TI 83 84

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Realizeit Collaboration Compare Mean and Median Using TI 83/ 84

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Realizeit Collaboration Find Median of Treatment Group

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What Is Median and How to Use TI83-84 to Find Med

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Realizeit Collaboration Find The Mean of Data

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Realizeit Collaboration: Dot Plot and Locate The Balancing Point Visually

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Calculate #mean Using #TI83 #8TI4

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Find The Mode of The Data

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Compare Different Types of Distributions for Their Measure of Centers

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Find the Median Using Calculator

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How to Calculate Median Using Calculator or Emulator

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Calculate Sample Mean Using Calculator or Emulator

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How to Calculate the Mean of Sample Data

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What is The Measure of Center and Visualize The Measure of Center in Statistics

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Hypothesis Testing for Mean (Sigma is missing) "The mean price of a two-year-old sedan"

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Confidence Interval for the mean number of hours worked by grocery store employees.

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What is the lowest score an applicant can earn and still be eligible to be hired by the agency?

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Normalcdf Find the Probability of a pregnancy lasting less than 250 days

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There is link between playing violent video games and teens violent behavior. TI84 Binomialcdf

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Binomial or Normal: Find the probability of exactly nine boys in ten births.

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Discrete or Continuous: The cost of a Statistics textbook.

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Discrete or Continuous Variable: The height of a player on a basketball team.

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Discrete or Continuous Variable: The number of cups of coffee sold in a cafeteria during lunch.

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Find Mean Median Standard Deviation and Range of Data

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Data with No Unique Mode (Mode DNE)

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Use Calculator to Find Mean and Median and Sample Standard Deviation of Data

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Measure of Center (Mean, Mode, Median) Using Symmetric Histogram Frequency Distribution

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Skewed to the Left or Skewed to the Right

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Class Width Using Class Midpoints in Relative Frequency Histogram

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Class Width, Midpoint, and Boundaries

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Quantitative or Qualitative: Number of complaint letters received by United States Postal Service

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Qualitative or Quantitative: The colors of automobiles on a used car lot

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Hypothesis Testing Sigma is Given Mean Daily Cost of Meals and Lodging in Nevada

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Chi Square Critical Value Finder Step by Step by TI84

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Use Table and Calculator to Find Chi Square Critical Values

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Contingency Table and Chi-Square Test

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Chi Square Goodness of Fit for Coffee

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Chi Square Goodness of Fit for Candy Colors

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Basic of Chi Square Goodness of Fit

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Chi Square Goodness of Fit Tax Preparation MethodsTI84

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Hypothesis Testing for Two Tail Test "The mean cost of bariatric (weight loss) surgery is $21,500"

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Hypothesis Testing p Value for a Two Tail Test With Standardized Test Statistics z= 2.14 normalcdf

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Hypothesis Testing: p Value for a Left Tail Test With Standardized Test Statistics z=-2.23

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State Null and Alternative Hypotheses: A car dealership announces that mean time for an oil change..

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State the Null and Alternative Hypotheses: A school publicizes that the proportion of its students..

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Hypothesis Testing for Mean: p-value is more than the level of significance (Hat Size Example)

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Hypothesis Testing for Proportion: p-value is more than the level of significance (Degree Example)

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Hypothesis Testing for Population Proportion Using Rejection Region and P-value (Cell Phone Example)

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Hypothesis Testing "40% of U.S. cell phone owners use their phone for most of their online browsing"

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Statistic Exam Inverse Norm Common Mistake

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Statistics Exam Normal Probability Calculation Common Mistake

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Statistics Exam Binomial Probability Common Mistake

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Decide About the Null Hypothesis Using t for Two Populations When Variance are Equal/ Not Equal

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Decide About the Null Hypothesis Using z or t for Two Populations

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Decide About the Null Hypothesis for a Two Tail Test (Credit Debt Example)

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Decide to Reject or Fail to Reject the Null Hypothesis for Two Populations (Meal Example)

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Decide to Reject or Fail to Reject the Null Hypothesis (Turbines Example)

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Two Population Hypothesis Testing: Independent and Dependent Samples

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Hypothesis Testing: Compare p-value and alpha

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Error: A computer repairer advertises that mean cost of removing a virus infection is less than $100

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Error: A furniture store claims at least .6 of customers will return to buy their next furniture

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True or False: To support a claim, state it so that it becomes the null hypothesis.

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True or False: A large P-value in a test will favor rejection of the null hypothesis

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True or False: A statistical hypothesis is a statement about a sample.

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True or False: In a hypothesis test, you assume the alternative hypothesis is true.

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A laptop manufacturer claims that the mean life of the battery for a model is more than 6 hours.

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What are the two decisions that you can make from performing a hypothesis test?

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Step by step Statistics: What are the two types of hypotheses used in a hypothesis?

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Statistics: HT for Pop Proportion: College Degree Example with Standardized Test Statistics

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Statistics: HT for Population Proportion: Cell Phone Example Using Standardized Test Statistics

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P-Value and Hypothesis Testing for Population Proportion- Cell Phone example

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HP for pp example (cell phones for browsing)

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Step by step Statistics: t Distribution and Critical Value t_c

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Step by step Statistics: How to Construct CI Using t Distribution and TI84

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Step by step Statistics: How to Construct CI Using t Distribution and Calculator TI84

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Step by step Statistics: What is a t Distribution and Example and TI84

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Step by step Statistics: Wideness of Confidence Interval

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Step by Step Statistics: Calculating Margin of Error and Sample Mean from the Confidence Interval

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Step by Step Statistics: Find Margin of Error and Sample Mean Using Confidence Interval

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Step by step Statistics: Construct a 90 Percent Confidence Interval for the Mean

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Step by step Statistics: Different Levels of confidence and Confidence Interval

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Step by step Statistics: Level of confidence and Probability

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Step by Step Statistics: Sampling Error

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Step by step Statistics Level of Confidence and Wideness of Confidence Interval

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Step by step Statistics: Point Estimate or Interval

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Step by step Statistics Level of Significance and P-Value

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Step by step Statistics: Null and Alternative Hypothesis for Population Mean

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Step by step Statistics: Null and Alternative Hypothesis for Population Proportion

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Step by step Statistics: What is Hypothesis Testing

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Step by step Statistics: Type I and Type II Error Salmonella Contamination

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Step by step Statistics: Hypothesis Testing for Left Tailed Test: Pit Stop Example

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Step by step Statistics: Construct Confidence Interval for Population Mean

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Step by step: Find A Minimum Sample Size to Estimate Population Mean

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Step by step: Constructing a Confidence Interval for The Mean Using TI84- ZINTERVAL

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Step by step: Find the margin of error for the mean number of hours worked by employees.

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Step by step: Point Estimate is a Single Value Estimate for a Population Mean. TI84

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Step by step: Find the minimum sample size needed. No preliminary estimate is available.

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Step by step: Construct a 99% Confidence Interval for the Population Proportion.

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Step by step: Construct 90% Confidence Intervals for the Population Proportion

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Step by step: Find proportion of successes and proportion of failure

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Step by step: True or False: Point estimate for population proportion of failures is

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Step by step: True or False? To estimate p, the population proportion of successes, use x.

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Step by step: Confidence Interval for Pop Proportion U.S. Who Think Teens Are Dangerous Drivers

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Step by step: Confidence Interval for Population Proportion of U.S. Teens Who Own Smartphones

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Step by step: Point Estimate for Population Proportion

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Statistics: Probability of Time Spent in Supermarket Using NormalCDF TI83/TI84

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Statistics: Probability of Spending Time in Supermarket Using NormalCDF TI83/TI84

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Statistics: Area to the right of z

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Statistics: Probability for Cell Phone Using NormalCDF TI83/TI84

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Statistics : Find The Probability (Area) to The Left of z

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Normal Distribution Overview

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Statistics Determine Discrete Random Variable

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Statistics: Determine Continuous Random Variable

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Statistics Binomial Probability Including Key Word "Exactly"

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Statistics Binomial Probability Including Key Word "At Most"

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Statistics Binomial Probability Including Key Word "Less Than"

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Statistics Binomial: Probability Including Key Word "More Than"

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Statistics: Binomial Probability Including Key Word "At Least"

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Statistics: Binomial Probability Distribution

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Statistics: Find Mean and SD for Binomial Probability Dstribution

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When to Use binomialpdf?

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What is Probability of An Event?

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What is a binomial Experiment

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Fundamental Counting Principle for Two digit PIN

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binomialsdf With At Least and More Than

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Probability of Discrete Random Variable

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Binomialcdf With At Most and Less Than

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Probability of Discrete Random Variable for Number of Computers in the US Household

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Find the mean and standard deviation of discrete random variable

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Find the cumulative probability of discrete random variable

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Continuous vs Discrete Variable

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The Fundamental Counting Principle- Car Choice

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Statistics: Probability of Getting One Blue Candy

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Complement of an Event Using Candies

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Step by step Statistics: Three Digit PIN Code with and without Repetition

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Two Digit PIN Code with and Without Repetition

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Statistics: Dependent vs Independent Event

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Statistics: Find the probability that a student is male, given that the student is a nursing major.

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Statistics: Conditional Probability

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Statistics: Find The Variance Using Standard Deviation

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Step by step Statistics: 5 Number Summary for Tuition

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Step by step Statistics: Empirical Rule Example Heights of Women

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Statistics: Empirical Rule Basics

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Statistics: Standard Deviation Example

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Statistics: Range of Data Example

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Statistics: Find IQR and Outliers in 1 minute

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Statistics: Find the Quartiles in 1 minute

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Statistics: Box Plot and Outliers with TI84

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Statistics: 5 Number Summary TI84

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Statistics: Mean and Standard Deviation in L2 using TI84

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Mean and Standard Deviation using TI84

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Statistics: Find Mean and Standard Deviation Using Calculator

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Statistically: Class with greatest and least relative frequency

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Statistics: Find Class Width Using Midpoints

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Statistics: Sample or Population? The age of every fourth person entering a department store

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Statistics: Sample or Population? The age of each employee at a local grocery store

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Sample or Population? Survey of 1782 American households 80% of the households own a computer.

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