Question
Tutoring Before After 2.6 3.2 2.7 3.0 3.2 3.8 3.1 3.4 2.9 3.8 (a) Test whether...
| Tutoring | |
|---|---|
| Before | After |
| 2.6 | 3.2 |
| 2.7 | 3.0 |
| 3.2 | 3.8 |
| 3.1 | 3.4 |
| 2.9 | 3.8 |
(a) Test whether or not her tutoring is effective at a 0.05
level of significance. State the value of the test statistic.
(Round your answer to three decimal places.)
t =
State the decision to retain or reject the null hypothesis.
(b) Compute effect size using estimated Cohen's d. (Round
your answer to two decimal places.)
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