a. Find the 95% confidence interval for the population mean of the number of hours the kindergarten students viewed the television. b. Suppose we claim that the overall average number of hours the kindergarten students viewed the television is greater than 5, 000 hours. Use 0.025 level of significance to verify the claim provided the given information about the random sample of 25 kindergarten students.

Q: Before After 6.9 6.3 3.6 2.1 7.3 7.1 12.8 8.6 8.5 8.2 10.1 6.4 8.4 3.9 5.2 2.1

A: We find the differences of ‘before’ and ‘after’. di= Xi-Yi

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