Test A               Score Respondent        X              Y         x-x       ( x-x) 2         y-y      ( y-y) 2  ( x-x) ( y-y) Jones 77 51 24.8 615.04 7.8 60.84 193.44 Dunn 66 59 13.8 190.44 15.8 249.64 218.04 Dean 41 44 -11.2 125.44 0.8 0.64 -8.96 Hampton 47 34 -5.2 27.04 -9.2 84.64 47.84 Nichols 32 28 -22.2 492.84 -15.2 231.04 337.44   Test B               Score Respondent        X              Y         x-x       ( x-x) 2         y-y      ( y-y) 2  ( x-x) ( y-y) Jones 50 51 -3.4 11.56 7.4 54.76 -25.16 Dunn 38 69 -15.4 237.16 25.40 645.16 -391.16 Dean 58 34 4.6 21.16 -9.6 92.16 -44.16 Hampton 49 36 -4.4 19.36 -7.6 57.76 33.44 Nichols 72 28 18.6 345.96 -15.6 243.36 -290.16 a. Calculate Pearson’s Product Movement Correlation Coefficient (r) for Test...

90.2K

Verified Solution

Question

Statistics

TestA               Score

Respondent        X              Y         x-x       (x-x)2        y-y      (y-y) 2  ( x-x) (y-y)

Jones

77

51

24.8

615.04

7.8

60.84

193.44

Dunn

66

59

13.8

190.44

15.8

249.64

218.04

Dean

41

44

-11.2

125.44

0.8

0.64

-8.96

Hampton

47

34

-5.2

27.04

-9.2

84.64

47.84

Nichols

32

28

-22.2

492.84

-15.2

231.04

337.44

  TestB               Score

Respondent        X              Y         x-x       (x-x)2        y-y      (y-y) 2  ( x-x) (y-y)

Jones

50

51

-3.4

11.56

7.4

54.76

-25.16

Dunn

38

69

-15.4

237.16

25.40

645.16

-391.16

Dean

58

34

4.6

21.16

-9.6

92.16

-44.16

Hampton

49

36

-4.4

19.36

-7.6

57.76

33.44

Nichols

72

28

18.6

345.96

-15.6

243.36

-290.16

a. Calculate Pearson’s Product MovementCorrelation Coefficient (r) for Test A. Show yourwork. (6 points)

b. Based on the correlation coefficient whichyou calculated, in two words how would youdescribe the relationship between the two variables in Test A? (4points)

c. Calculate Pearson’s Product MovementCorrelation Coefficient (r) for Test B. Show yourwork. (6 points)

d. Based on the correlation coefficient whichyou calculated, in two words how would you describe therelationship between the two variables in Test B? (4 points)

e. Which test would you select? (2 points)Why? (4 points)

Answer & Explanation Solved by verified expert
4.2 Ratings (684 Votes)
    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students