In Problem 13.5, you used the GPA to predict the overall satisfaction of university students (stored in

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In Problem 13.5, you used the GPA to predict the overall satisfaction of university students (stored in UP‐FBE ).

a. At the 0.05 level of significance, is there evidence of a linear relationship between the GPA and overall satisfaction?

b. Construct a 95% confidence interval estimate of the population slope, β1.


Problem 13.5

The file UP‐FBE contains satisfaction ratings, age, GPA, origin, and gender of 100 students at the business department in a university in Hungary. The overall satisfaction of the students is calculated as the sum of teaching quality, offered scholarships, affordable tuition fee, affordable housing, careers service, and graduate employment, so the minimum overall satisfaction level is 6 and the maximum is 42. You want to examine the relationship between students’ overall satisfaction with their GPA.

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