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What would be your critical t-score? O Cannot be answered without a chosen level of significance, alpha O 2.321 O 1.521 O 1.675

What would be your critical t-score? O Cannot be answered without a chosen level of significance, alpha O 2.321 O 1.521 O 1.675

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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What would be your critical t-score?

What would be your critical t-score? O Cannot be answered without a chosen level of significance, alpha O 2.321 1.521 O 1.675
Transcribed Image Text:What would be your critical t-score? O Cannot be answered without a chosen level of significance, alpha O 2.321 1.521 O 1.675
The average student studies eight hours for a statistics exam and receives a grade of µ = 84. In a sample of 25 students who study twelve hours for a statistics exam you find that the average grade is I = 87. You want to test the hypothesis that studying twelve hours statistically significantly increases academic performance.
Transcribed Image Text:The average student studies eight hours for a statistics exam and receives a grade of µ = 84. In a sample of 25 students who study twelve hours for a statistics exam you find that the average grade is I = 87. You want to test the hypothesis that studying twelve hours statistically significantly increases academic performance.
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