Question

In: Statistics and Probability

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

The number of hours 12 students watched television during the weekend and the scored of each student 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 (for statistics) the given problem, round coefficients to 3 decimals. (no sentence here)

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

c) What is the value of the correlation coefficient, does this indicates a negative or positive

association and is correlation strong, weak or neither?

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

on the Monday exam? (to one decimal)

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

on the Monday exam? (to one decimal)

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

Explain what it means, in context of the problem

Solutions

Expert Solution

for further query please comment below.thank you

orchestra answered 1 year ago
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