Question: 7. (S & W Chapter 3: 3.13) Data on fifth-grade test scores (reading and mathematics) for 420 school districts in California yield average score Y=654.2

7. (S & W Chapter 3: 3.13) Data on fifth-grade test

7. (S & W Chapter 3: 3.13) Data on fifth-grade test scores (reading and mathematics) for 420 school districts in California yield average score Y=654.2 and standard deviation Sy = 19.1. a) (5 points) Construct a 95% confidence interval for the mean test score in the population. b) (5 points) When the districts were divided into those with small classes (

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