Each market research firm reports the mean rating of its random sample. Assume each market research firm recruits a different sample, and that you hired exactly enough market research firms such that all possible samples of nine US television viewers were sampled and their mean ratings reported. Which of the following are true about the sampling distribution of the mean ratings reported to you by the market research firms? Check all that apply. The mean of the distribution of mean ratings is 5.0. The standard deviation of the distribution of mean ratings is 0.19. The central limit theorem does not provide justification to assume that the shape of this particular distribution of mean ratings is normal. The standard error of the mean ratings is 1.7.
Each market research firm reports the mean rating of its random sample. Assume each market research firm recruits a different sample, and that you hired exactly enough market research firms such that all possible samples of nine US television viewers were sampled and their mean ratings reported. Which of the following are true about the sampling distribution of the mean ratings reported to you by the market research firms? Check all that apply. The mean of the distribution of mean ratings is 5.0. The standard deviation of the distribution of mean ratings is 0.19. The central limit theorem does not provide justification to assume that the shape of this particular distribution of mean ratings is normal. The standard error of the mean ratings is 1.7.
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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Each market research firm reports the mean rating of its random sample. Assume each market research firm recruits a different sample, and that you hired exactly enough market research firms such that all possible samples of nine US television viewers were sampled and their mean ratings reported.
Which of the following are true about the sampling distribution of the mean ratings reported to you by the market research firms? Check all that apply.
The mean of the distribution of mean ratings is 5.0.
The standard deviation of the distribution of mean ratings is 0.19.
The central limit theorem does not provide justification to assume that the shape of this particular distribution of mean ratings is normal.
The standard error of the mean ratings is 1.7.
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