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Five students took a math test before and after tutoring. Their scores were as follows. Student Before After A 65 78 B 68 76 C
Five students took a math test before and after tutoring. Their scores were as follows.
Student | Before | After |
A | 65 | 78 |
B | 68 | 76 |
C | 56 | 63 |
D | 75 | 73 |
E | 80 | 87 |
a. At the 1% significance level, do the data provide sufficient evidence to conclude that the mean score before tutoring differs from the mean score after tutoring?
Hint: State Hypothesis, Compute test statistics, Find P-value, and Make decision.
b. Describe in the words of the problem what Type I and Type II errors are.
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