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Curated Video
Why Election Polls NEVER Match Election Results
Elections are filled with various polls, but they seem to never say the same thing. Why is that? Well here I go through some of the common polling errors that happen to pollsters when they do election polls. This is also helpful to know...
The Business Professor
Marketing - What Distorts the Results of Marketing Research
This Video Explains Marketing - What Distorts the Results of Marketing Research
The Business Professor
Marketing - What Distorts the Results of Marketing Research
This Video Explains Marketing - What Distorts the Results of Marketing Research
Texas Education Agency
Texas Gateway: Study Edge Statistics: Variability in Sample Proportions, Part 1
This lesson models how to solve problems involving samples of populations and the variability in the results of a statistical study. Provides a link to an interactive web app called "Sampling Distribution of the Sample Proportion."...
Texas Education Agency
Texas Gateway: Study Edge Statistics: Variability in Sample Proportions, Part 2
This lesson continues an exploration of variability in sample proportions that was begun in the Part 1 video, extending the ideas. About four minutes in, it provides a link to an interactive web app called "Sampling Distribution of the...
Sophia Learning
Sophia: Sampling Error and Sample Size: Lesson 4
This lesson will explain sampling error and sample size. It is 4 of 4 in the series titled "Sampling Error and Sample Size."
Sophia Learning
Sophia: Sampling Error and Sample Size: Lesson 2
This lesson will explain sampling error and sample size. It is 2 of 4 in the series titled "Sampling Error and Sample Size."
Sophia Learning
Sophia: Sampling Error and Sample Size: Lesson 3
This lesson will explain sampling error and sample size. It is 3 of 4 in the series titled "Sampling Error and Sample Size."