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QUESTION 3 A. A study was conducted to estimate the average consumption of chocolates (gm/week) by teenagers in Read County. A random sample of 80

QUESTION 3

A. A study was conducted to estimate the average consumption of chocolates (gm/week) by teenagers in Read County. A random sample of 80 teenagers was surveyed with the following results: = 4902 2 = 337528,

(i) Calculate the unbiased point estimates of the population mean and standard deviation.

(ii) Determine the 98% confidence interval for the mean consumption of chocolates by all teenagers in Read County.

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