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15-A: Defining and visualizing power
15-A: Defining and visualizing power
Learning Objectives
Be able to identify and draw the null distribution, alternative distribution, alpha, 1 - alpha, beta, and statistical power
15-B: Factors impacting power
15-B: Factors impacting power
Learning Objectives
What are factors that would impact power
Know the effect of effect size on power
Know the effect of one- versus two-tailed tests on power
Know the effect of variance on power
Know the effect of α level on power
READ: Factors impacting power
DEMO: http://onlinestatbook.com/2/power/power_demo2.html
15-C: Computing power
15-C: Computing power
Learning Objectives
Understand how to compute power with the normal and binomial distributions
READ: Computing power
Online Statistics Education: A Multimedia Course of Study (http://onlinestatbook.com/). Project Leader: David M. Lane, Rice University http://onlinestatbook.com/2/power/example.html
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