Answer to Question #344318 in Statistics and Probability for Mika

Question

The following values show the IQ and the Entrance Exam scores of incoming freshmen in a certain university.

Student

IQ (x)

Entrance Exam scores (y)

1

120

98

2

85

78

3

90

88

4

110

95

5

115

97

6

124

99

7

89

88

8

98

92

9

99

93

10

100

91

Calculate the following:

a. Compute the value of correlation coefficient ®.

b. What is the least-squares equation?

c. If student 11 has an IQ = 130, what is his/her estimated entrance exam score?

Answer 1

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