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It is hypothesized that students who drink coffee in the morning will do better on a...

It is hypothesized that students who drink coffee in the morning will do better on a math exam than students who either drink soda and take a math exam, drink coffee and take a psychology exam, or drink soda and take a psychology exam. The choice of morning drink most likely will not affect performance on psychology exams; in general, students are expected to perform on the psychology exams similarly to how they will perform on the math exam when they drink soda.

GRAPH THE HYPOTHESIS

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Answer #1

Given that, students who drink coffee in the morning will do better on a math exam than students who either drink soda and take a math exam

We need to check if  The choice of morning drink most likely will not affect performance on psychology exams

Null hypothesis : Student choice of drink in the morning does not affect the performance on psychology exams

Average marks of students drink coffee in the morning in psychology exams = Average marks of students drink soda in the morning in psychology exams

Alternate hypothesis : students who drink coffee in the morning will do better on a psychology exam than students who either drink soda and take a psychology exam

Average marks of students drink coffee in the morning in psychology exams >  Average marks of students drink soda in the morning in psychology exams

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