Question: A tutor claimed that getting trained by her will boost scores for an exam. If the before and after scores for 12 students are as

A tutor claimed that getting trained by her will boost scores for an exam. If the before and after scores for 12 students are as shown below, can we say that the tutoring helped using the t-test for paired samples? Use a confidence level of 95%.

1341	1337
1354	1377
1359	1390
1387	1403
1396	1410
1403	1416
1416	1416
1425	1419
1431	1423
1434	1437
1435	1438
1435	1445

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