Question

Control group Exposure group 9 6 6 3 4 4 3 5 5 3 9 4 6 1 7 3 6 2 8 4 7 5 8 4 a. Test for hypothesis at a significant level of 0.05 if there is a difference between the two groups with regard to statistics anxiety levels. Show all your calculations and hypothesis-testing steps. (16 marks). b. Calculate and interpret the effect size using the Cohens' d. (4 marks).

          Control group
Exposure group
9
6
6
3
4
4
3
5
5
3
9
4
6
1
7
3
6
2
8
4
7
5
8
4
a. Test for hypothesis at a significant level of 0.05 if there is a difference between the
two groups with regard to statistics anxiety levels. Show all your calculations and
hypothesis-testing steps. (16 marks).
b. Calculate and interpret the effect size using the Cohens' d. (4 marks).

Control group
Exposure group
9
6
6
3
4
4
3
5
5
3
9
4
6
1
7
3
6
2
8
4
7
5
8
4
a. Test for hypothesis at a significant level of 0.05 if there is a difference between the
two groups with regard to statistics anxiety levels. Show all your calculations and
hypothesis-testing steps. (16 marks).
b. Calculate and interpret the effect size using the Cohens' d. (4 marks).

Added by Adri-N F.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Dominador Tan

03/12/2023

Step 1

Step 1: We need to perform a two-sample t-test to determine if there is a significant difference in the mean anxiety levels between the control group and the exposure group. Show more…

Show all steps

Thanks for your feedback!

Control group Exposure group 3 9 6 6 3 4 4 5 3 4 1 3 2 4 5 4 7 6 8 7 8 a. Test for hypothesis at a significant level of 0.05 if there is a difference between the two groups with regard to statistics anxiety levels. Show all your calculations and hypothesis-testing steps. (16 marks). b. Calculate and interpret the effect size using the Cohens' d. (4 marks).