Based on the following scores of X and Y, calculate the Pearson correlation. X Y 60 6 40 3 25 2 30 3 20 1 a. r = 0.50 b. r = 0.97 c. r = 0.00 d. r = 0.94

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Based on the following scores of X and Y, calculate the Pearson correlation.

X

Y

60

6

40

3

25

2

30

3

20

1

  1. a. r = 0.50
  2. b. r = 0.97
  3. c. r = 0.00
  4. d. r = 0.94
 

Based on a two-tailed t-test, what will be the conclusion of the significance test for this correlation be? 

X

Y

60

6

40

3

25

2

30

3

20

1


a. Reject the null hypothesis with α = .05 and α = .01.
b. Reject the null hypothesis with α = .01 but not with α = .05.
c. Reject the null hypothesis with α = .05 but not with α = .01.
d. Fail to reject the null hypothesis with α = .05 and α = .01.
 

A researcher wants to know if there is a relationship between gender and the likelihood of being a psychology major. A sample of n=200 participants is surveyed and the observed results are presented in the table below.

 

Male

Female

Yes

20

70

No

80

30

Which of the following lists the appropriate statistical analysis for this question and data?


a. independent-samples t-test
b. repeated-measures t-test
c. Chi-square test
d. ANOVA
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Based on a two-tailed t-test,what will be the conclusion of the significance test for this correlation be? 

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