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  1. mathematics
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  3. obs income gpa 1 1.51 3.18 2 3.3

Obs Income GPA 1 1.51 3.18 2 3.31 2.85 3 1.81 1.84 4 2.42 4.61 5 1.72 3.18 6 1.63 3.98 7 0.98 1.35 8 1.04 2.78 9 1.55 3.74 10 2.75 2.87 Calculate Pearson’s r correlation coefficient? What does the result you obtain say? (10points) Now calculate whether the...

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Verified Solution

Question

Statistics

Obs

Income

GPA

1

1.51

3.18

2

3.31

2.85

3

1.81

1.84

4

2.42

4.61

5

1.72

3.18

6

1.63

3.98

7

0.98

1.35

8

1.04

2.78

9

1.55

3.74

10

2.75

2.87

  1. Calculate Pearson’s r correlation coefficient?
  1. What does the result you obtain say? (10points)

Now calculate whether the result obtained is statisticallysignificant

  1. State the Null and Alternative hypotheses? (5 points)

  1. Establish your decision criteria and determine t critical (df =N-2).
  1. Determine t calculated?

6. Are the results significant at the 5% level and explain whatit means in terms of the Null hypothesis? (20 points)

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