The average student studies eight hours for a statistics exam and receives a grade of 84. In a sample of 25 students who study twelve hours for a statistics exam 87. You want to test the hypothesis that you find that the average grade is X studying twelve hours statistically significantly increases academic performance.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.3: Rules For Addition
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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
studying twelve hours statistically significantly increases academic performance.
87. You want to test the hypothesis that
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 studying twelve hours statistically significantly increases academic performance. 87. You want to test the hypothesis that
The alternative hypothesis is written as
HA: µ= 84
OHA: µ> 84
OHA : µ+87
OHA: µ>87
Transcribed Image Text:The alternative hypothesis is written as HA: µ= 84 OHA: µ> 84 OHA : µ+87 OHA: µ>87
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