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Statistics: Difference of Sample Means Distribution
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This 12-minute video lesson builds on the previous video and looks at the difference of sample means distribution. [Statistics playlist: Lesson 55 of 85]

Subject:
Mathematics
Statistics and Probability
Material Type:
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
02/20/2011
Statistics, Fall 2009
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CC BY-NC-ND
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The purpose of this course is to provide background in the ways in which psychologists evaluate data collected from research projects. A researcher may gather many pieces of data that describe a group of research subjects and there are common ways in which these pieces of information are presented. Secondly, statistical tests can help investigators draw inferences about the relationship of the research sample to the general population it is supposed to represent. As a student of psychology or any other discipline that uses research data to explore ideas, it is important that you know how data is evaluated and that you gain an understanding of the ways in which these procedures help to summarize and clarify data.

Subject:
Mathematics
Psychology
Social and Behavioral Sciences
Statistics and Probability
Material Type:
Full Course
Provider:
UMass Boston
Provider Set:
UMass Boston OpenCourseWare
Author:
Laurel Wainwright
Date Added:
08/13/2020
Statistics: Hypothesis Test Comparing Population Proportions
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This 16-minute video lesson looks at the hypothesis test for comparing population proportions. [Statistics playlist: Lesson 61 of 85]

Subject:
Mathematics
Statistics and Probability
Material Type:
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
02/20/2011
Statistics: Introduction to the Normal Distribution
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CC BY-NC-SA
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This 26-minute video lesson provides an introduction to the normal distribution. [Statistics playlist: Lesson 29 of 85]

Subject:
Mathematics
Statistics and Probability
Material Type:
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
02/20/2011
Statistics: Large Sample Proportion Hypothesis Testing
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CC BY-NC-SA
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This 12-minute video lesson discusses large sample proportion hypothesis testing. [Statistics playlist: Lesson 53 of 85]

Subject:
Mathematics
Statistics and Probability
Material Type:
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
02/20/2011
Statistics: Mean and Variance of Bernoulli Distribution Example
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CC BY-NC-SA
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This 8-minute video lesson gives an example of the mean and variance of Bernoulli Distribution. [Statistics playlist: Lesson 41 of 85]

Subject:
Mathematics
Statistics and Probability
Material Type:
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
02/20/2011
Statistics: Normal Distribution Excel Exercise
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CC BY-NC-SA
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This long (26 minute) presentation shows how to use an Excel spreadsheet to show that the normal distribution approximates the binomial distribution for a large number of trials. [Statistics playlist: Lesson 28 of 85]

Subject:
Mathematics
Statistics and Probability
Material Type:
Lecture
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Salman Khan
Date Added:
02/20/2011