A school psychologist believes that more positive mood isassociated with more creativity. Below are the data from a randomsample of 4th graders. What can be concluded with ? =0.05?
| mood | creativity |
|---|
10
8
9
6
5
5
7
4
1
2
7 | 7
6
11
4
5
7
6
5
4
2
8 |
a) What is the appropriate statistic?
---Select--- na Correlation Slope Chi-Square
Compute the statistic selected above:
b) Compute the appropriate test statistic(s) tomake a decision about H0.
(Hint: Make sure to write down the null and alternative hypothesesto help solve the problem.)
critical value = ; test statistic =
Decision: ---Select--- Reject H0 Fail to reject H0
c) Compute the corresponding effect size(s) andindicate magnitude(s).
If not appropriate, input and/or select "na" below.
effect size = ; ---Select--- na trivialeffect small effect medium effect large effect
d) Make an interpretation based on theresults.
There is a significant positive relationship between positivemood and creativity.There is a significant negative relationshipbetween positive mood and creativity. Thereis no significant relationship between positive mood andcreativity.
