Statistics students wanted to see whether there was an association between whether students eat breakfast daily and

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Statistics students wanted to see whether there was an association between whether students eat breakfast daily and their grade point average (GPA). They surveyed 106 students at their college and asked them if they usually eat breakfast and what their current GPA was. The results are in the file BreakfastGPA. Is there an association between eating breakfast or not and a student’s GPA? 

a. State the hypotheses to test this either in words or using appropriate symbols. 

b. Explain if the validity conditions for a theory-based test are met. 

c. What are the mean GPAs for the two groups? 

d. What are the values of the t-statistic and corresponding p-value? 

e. State your conclusion in the context of the research question.

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Related Book For  book-img-for-question

Introduction To Statistical Investigations

ISBN: 9781119683452

2nd Edition

Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy

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