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The number of hours 12 students watched television during the weekend and the scored of each student...

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Question

Statistics

The number of hours 12 studentswatched television during the weekend and the scored of eachstudent who took a test the following Monday are listed below.

Hours

0

1

2

3

3

5

5

5

6

7

7

10

Test

96

85

82

74

87

68

76

70

66

65

75

50

a) Find linear regression equation using correct notation (forstatistics) the given problem, round coefficients to 3 decimals.(no sentence here)

b) What is value of the slope and itsmeaning in context of the problem? Make sure you include units.

c) What is the value of thecorrelation coefficient, does this indicates a negative orpositive

association and is correlation strong,weak or neither?

d) If a student watched 4 hours of TVduring the weekend, what is the student predicated test score

on the Monday exam? (to onedecimal)

e) If a student watched 6 hours of TVduring the weekend, what is the student predicated test score

on the Monday exam? (to onedecimal)

f) What is residual value for astudent that watched 6 hours of TV during the weekend?

Explain what it means, in context ofthe problem

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