A statistics teacher wants to see if there is any difference in the abilities of students enrolled in statistics today and those enrolled five years ago. A sample of final examination scores from students enrolled today and from students enrolled five years ago was taken. Today Five Years Ago x̅ 82 88 σ² 112.5 54 n 45 36 What is the critical value of the test statistic if we are testing at α=5%. If The level of significance for the problem is 10%. Then what is/are the critical value of the test statistic?
A statistics teacher wants to see if there is any difference in the abilities of students enrolled in statistics today and those enrolled five years ago. A sample of final examination scores from students enrolled today and from students enrolled five years ago was taken. Today Five Years Ago x̅ 82 88 σ² 112.5 54 n 45 36 What is the critical value of the test statistic if we are testing at α=5%. If The level of significance for the problem is 10%. Then what is/are the critical value of the test statistic?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.EA: Extended Application Using Extrapolation To Predict Life Expectancy
Problem 2EA
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A statistics teacher wants to see if there is any difference in the abilities of students enrolled in statistics today and those enrolled five years ago. A sample of final examination scores from students enrolled today and from students enrolled five years ago was taken.
Today Five Years Ago
x̅ 82 88
σ² 112.5 54
n 45 36
What is the critical value of the test statistic if we are testing at α=5%.
If The level of significance for the problem is 10%. Then what is/are the critical value of the test statistic?
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