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[answered] A marketing professor at UTRGV is interested in the relatio


this is a discussion question using linear regression. please answer in MS format idf possible.


A marketing professor at UTRGV is interested in the relationship between hours spent studying and total points earned in a course. The following is the data collected from 5 students. Please collect data for another 2 students and answer the questions based on

 

the dataset including 10 students.

 

Hours Spent

 

Studying

 

45

 

30

 

90

 

60

 

105

 

65

 

90

 

80 Total Points

 

Earned

 

40

 

35

 

75

 

65

 

90

 

50

 

90

 

80 a. develop an estimated regression equation showing how total points earned is related to hours spent studying.

 

b. test the significance of the model with alpha = .05.

 

c. predict the total points earned by Mark Sweeney. He spent 78 hours studying.

 

d. develop a 95% prediction interval for the total points earned by Mark Sweeney.

 


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