Can you please walk me through the answer for each question. The answer and how you figured it out. Step by Step. Thank you!

Assignment #11.1

Each question below comprises a single step in a dependent-groups T-test.

1)For dependent groups data, calculate sum of squares.(You should also note the mean difference, the size of the group, and degrees of freedom.)

PretestPosttest

A82

B80

C115

D125

E124

2)Find the variance using the information in step 1.

3)What is the standard error for this T-test?

4)Now, calculate T.

5)Assume that a = .05 for a one tailed, dependent groups, T-test.Find T_critical and determine whether the researcher rejects or fails to reject H₀.