A researcher wants to estimate the number of hours that five-year old children spend watching television. A sample of 48 five-year old children was observed to have a mean viewing time of 5 hours. The population is normally distributed with a population standard deviation of 0.7 hours, find: a. the best point estimate of the population mean, and b. the 95% confidence interval of the population mean.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A researcher wants to estimate the number of hours that five-year old children spend watching
television. A sample of 48 five-year old children was observed to have a mean viewing time of 5 hours.
The population is normally distributed with a population standard deviation of 0.7 hours, find:
a. the best point estimate of the population mean, and
b. the 95% cont
ence interval of the population mean.
Transcribed Image Text:A researcher wants to estimate the number of hours that five-year old children spend watching television. A sample of 48 five-year old children was observed to have a mean viewing time of 5 hours. The population is normally distributed with a population standard deviation of 0.7 hours, find: a. the best point estimate of the population mean, and b. the 95% cont ence interval of the population mean.
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