Question: 9. Problem 18 in Chapter 9 described a study bowing that children who attended a high-quality dayeure program before they coter school perform better on

9. Problem 18 in Chapter 9 described a study \bowing that children who attended a high-quality dayeure program before they coter school perform better on mith jests than children who do not have daycare experience The data showed that i sample of " = 35 children who attended day care before starting school had an average score of M - 87 with SS - 1536 an a standu dized math test for which the population meant

a. Use the sample dis in make a point esumme of the average math test score for the population of children with a history of high-quality daycare.

Based out your estimate, how much higher than average do these children score !!

h. Make an merval estimate the population moean

"score for the daycque children so that you are 955 coofidest that the true mean je w your interval

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