Question: In reference to the college students who participated in a learning community in Exercise 10. 36, a control group of students was also formed for

In reference to the college students who participated in a learning community in Exercise 10. 36, a control group of students was also formed for testing and comparison. Ten randomly selected college students who were not involved in the learning community were given pre€“self-esteem and post€“self-esteem surveys. The scores on the surveys for the control group are as follows:

Does this sample of students show sufficient evidence that self-esteem scores were higher after participation in a learning community? Lower scores indicate higher selfesteem. Use the 0.05 level of significance and assume normality of scores.

Student 2 3 4 5 6 7 8 9 10 Prescore 19 23 12 20 26 20 15 10 22 12 Postscore 9 21 9 10 23 20 9 10 21 19

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