Assume the sample standard deviation is s=10, what do you conclude? You fail to reject the null You accept the alternative You reject the alternative

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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20
The next 10 questions refer to the following scenario.
The average student studies eight hours for a statistics exam and receives a grade of
u = 84. In a sample of 25 students who study twelve hours for a statistics exam
you find that the average grade is X = 87. You want to test the hypothesis that
studying twelve hours statistically significantly increases academic performance.
Transcribed Image Text:The next 10 questions refer to the following scenario. The average student studies eight hours for a statistics exam and receives a grade of u = 84. In a sample of 25 students who study twelve hours for a statistics exam you find that the average grade is X = 87. You want to test the hypothesis that studying twelve hours statistically significantly increases academic performance.
Assume the sample standard deviation is s=10, what do you conclude?
You fail to reject the null
You accept the alternative
You reject the alternative
You reject the null
Transcribed Image Text:Assume the sample standard deviation is s=10, what do you conclude? You fail to reject the null You accept the alternative You reject the alternative You reject the null
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