Then this test is a three-tailed test zero-tailed test one-tailed test O two-tailed test

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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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.
Then this test is a
three-tailed test
zero-tailed test
one-tailed test
two-tailed test
Transcribed Image Text:Then this test is a three-tailed test zero-tailed test one-tailed test two-tailed test
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