1.) Why do we have to use a "t-test" instead of a "z-test" for a claim about two mean? 2.) In your own words, what does it mean to have a "paired" sample? Give an example that is not in the book, online or given in class. 3.) How do you figure the number of degrees of freedom for a test of two independent means?
1.) Why do we have to use a "t-test" instead of a "z-test" for a claim about two mean? 2.) In your own words, what does it mean to have a "paired" sample? Give an example that is not in the book, online or given in class. 3.) How do you figure the number of degrees of freedom for a test of two independent means?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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