Curated Video
Statistics for Data Science and Business Analysis - Test for the Mean; Population Variance Known
This video is about test for the mean when population variance is known.
This clip is from the chapter "Hypothesis Testing" of the series "Statistics for Data Science and Business Analysis".This section explains null and alternative...
Curated Video
Statistics for Data Science and Business Analysis - Test for the Mean; Dependent Samples
In this video, the mean for two dependent samples are tested. This clip is from the chapter "Hypothesis Testing" of the series "Statistics for Data Science and Business Analysis".This section explains null and alternative hypothesis, and...
Khan Academy
Khan Academy: Inferential Statistics: Confidence Interval 1
Video showing how to determine the probability that the population mean is between two given values when given the mean and standard deviation of a sample. Uses sampling distribution and calculates a z-score in order to determine the...
Khan Academy
Khan Academy: Statistics: T Statistic Confidence Interval
Video demonstrates using t-statistics to create a 95% confidence interval for a small sample size. [11:47]
Khan Academy
Khan Academy: Statistics: Small Sample Size Confidence Intervals
Video gives example of using a t-distribution when a small sample size is given. Example includes how to use a t-table to create a confidence interval for the population mean. [11:11]
Khan Academy
Khan Academy: Statistics: Comparing Population Proportions 2
Video is the second of two parts to demonstrate an example using election statistics to compare the population proportions of the women and men who voted for a particular candidate. The first video showed how to calculate the mean and...
Texas Education Agency
Texas Gateway: Study Edge Statistics: Confidence Interval for One Proportion
This lesson models how to construct and interpret a confidence interval in a problem about teens' use of Snapchat. Includes downloadable study guide with exercises - guide also covers other topics. [10:31]
Texas Education Agency
Texas Gateway: Study Edge Statistics: Interpreting Confidence Intervals
This lesson demonstrates how to interpret a confidence interval once you have calculated it. Includes downloadable study guide with exercises - guide also covers other topics. [9:56]
Texas Education Agency
Texas Gateway: Study Edge: Factors Affecting the Width of a Confidence Interval
This lesson looks at what effects changing the standard deviation, confidence level, and/or sample size have on the width of a confidence interval. Includes downloadable study guide with exercises - guide also covers other topics. [11:26]
Texas Education Agency
Texas Gateway: Study Edge Statistics: Confidence Interval for One Mean
This lesson models how to construct and interpret a confidence interval in a problem about Instagram followers among teens. Includes downloadable study guide with exercises - guide also covers other topics. [14:30]
Khan Academy
Khan Academy: Statistics: Confidence Interval of Difference of Means
Video demonstrates how to create a 95% confidence interval of the difference of means. Uses an example involving a medical experiment's results. [15:49]
Khan Academy
Khan Academy: Statistics: Confidence Interval Example
Video demonstrating and explaining how to create a 99% confidence interval for the population mean based on a survey result. Also discusses how surveys can be altered to narrow the confidence interval. [18:35]
Khan Academy
Khan Academy: Statistics: Margin of Error 2
Video continues from previous video to show how to create a confidence interval for the population mean from a sample taken from a Bernoulli distribution. [10:05]
Texas Education Agency
Texas Gateway: Study Edge Statistics: Confidence Intervals in the Real World
This lesson teaches students how to identify the incorrect use of confidence intervals in a news article. Includes downloadable study guide with exercises - guide also covers other topics. [6:18]
Khan Academy
Khan Academy: Bernoulli Distributions and Margin of Error: Margin of Error 2
This video shows how to create a confidence interval for the population mean from a sample taken from a Bernoulli distribution. Finding the 95% confidence interval for the proportion of a population voting for a candidate.
Khan Academy
Khan Academy: Statistics: Clarifying Confidence Interval of Difference of Means
Video is a clarification of the previous video about what the 95% confidence interval means and why it is useful. [2:41]