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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