Question: Matched Samples t-test Suppose you collect data from 10 individuals that took the SATs two times.Answer the following questions. ID 1 2 3 4 5

Matched Samples t-test

Suppose you collect data from 10 individuals that took the SATs two times.Answer the following questions.

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

  1. What is the null and alternative hypothesis?
  2. Is there a significant change in SAT scores using a two-tailed test at .05?

notate your responses properly

(t(df) = XX, p)

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