Question

Answer the correlation questions using the data below. Use α = 0.05. x y 9 6...

Answer the correlation questions using the data below. Use α = 0.05.

x y
9
6
8
3
7
4
7
1
0
1
0
1
0
0


a) Compute the correlation.
r = ____

b) Compute the appropriate test statistic(s) for H1: ρ > 0.
critical value = ____ ; test statistic = ____
Decision:  ---Select--- Reject H0 or Fail to reject H0

c) Compute the corresponding effect size(s) and indicate magnitude(s).
If not appropriate, input and/or select "na" below.
effect size =____ ;  ---Select--- na trivial effect small effect medium effect large effect

d) Make an interpretation based on the results. Select one.

a) There is a significant positive relationship between x and y.

b) There is a significant negative relationship between x and y.    

c) There is no significant relationship between x and y.

Homework Answers

Answer #1

a)

b)

C)

no effect.

d) The larger the effect size the stronger the relationship between two variables. So there is no relationship.

Option c is correct.

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