Suppose you collect data from 10 individuals that took the SATs two times. ID 1 2 3 4 5 6 7 8 9 10 Mean SD 1st time 900 890 900 1000 900 1080 1200 1300 1200 1030 1040 150.33 2nd time 920 890 960 980 1020 1000 1310 1400 1210 1030 1072 173.26 Diff 20 0 60 -20 120 -80 110 100 10 0 32.00 64.26 Is there a significant change in SAT scores using a two-tailed test at .05?
Suppose you collect data from 10 individuals that took the SATs two times. ID 1 2 3 4 5 6 7 8 9 10 Mean SD 1st time 900 890 900 1000 900 1080 1200 1300 1200 1030 1040 150.33 2nd time 920 890 960 980 1020 1000 1310 1400 1210 1030 1072 173.26 Diff 20 0 60 -20 120 -80 110 100 10 0 32.00 64.26 Is there a significant change in SAT scores using a two-tailed test at .05?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Matched Samples t-test
Suppose you collect data from 10 individuals that took the SATs two times.
ID |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
Mean |
SD |
1st time |
900 |
890 |
900 |
1000 |
900 |
1080 |
1200 |
1300 |
1200 |
1030 |
1040 |
150.33 |
2nd time |
920 |
890 |
960 |
980 |
1020 |
1000 |
1310 |
1400 |
1210 |
1030 |
1072 |
173.26 |
Diff |
20 |
0 |
60 |
-20 |
120 |
-80 |
110 |
100 |
10 |
0 |
32.00 |
64.26 |
Is there a significant change in SAT scores using a two-tailed test at .05?
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