Compute by hand Do not use excel, google etc. and upload your work
1-Compute a T-test for dependent means to analyze if there is a difference in their income pre and post receiving their masters degree.
Total number
Pre X Masters
Post Y Masters
X2
Y2
XY
1
14
22
196
484
308
2
24
576
3
35
44
1225
1936
1540
4
57
59
3249
3481
3363
5
30
900
1050
6
34
67
1156
4489
2278
7
88
95
7744
9025
8360
8
65
4225
3705
Total 8
344
406
18620
25116
21180
Total Divide 8
43
50.75
2327.5
3139.5
2647.5
How would you interpret: t(12) = 0.12, p >.05?
What is the difference between a test of independent means and a test dependent means, and when is each appropriate?
In the following examples indicate whether you would perform a t-test of independent means or dependent means.
Two groups were exposed to different levels of treatment for ankle sprains. Which treatment was most effective?
A researcher in nursing wanted to know if the recovery of patients was quicker when some received additional in home care whereas others received the standard amount.
A group of adolescent boys was offered interpersonal skills counseling and then tested in September and May to see if there was any impact on family harmony.
One group of cult men was given instructions in reducing their high blood pressure whereas another was not given any instructions.
One group of men was provided access to an exercise program and tested two times over a 6-month period for heart health.
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