Question: The Perry Preschool Project data presented in Exercise 10.39 can be divided to see whether there are different effects for males and females. The table

The Perry Preschool Project data presented in Exercise 10.39 can be divided to see whether there are different effects for males and females. The table shows a summary of the data for males (Schweinhart et al. 2005).

a. Find the graduation rate for males who went to preschool, and com pare it with the graduation rate for males who did not go to preschool.
b. Test the hypothesis that preschool and graduation are associated, using a significance level of 0.05.
c. Exercise 10.40 showed an association between preschool and graduation for just the females in this study. Write a sentence or two giving your advice to parents with preschool-eligible children about whether attending preschool is good for their children's future academic success, based on this data set.

Preschool No Preschool HS Grad 16 21 HS Grad No 16 18

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