What is a sampling distribution of means? Use your knowledge of the standard error of the sample mean to explain why many national market research and political opinion surveys contain around 1000 respondents, no more and no less.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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What is a sampling distribution of means? Use your knowledge of the standard error of the sample mean to explain why many national market research and political opinion surveys contain around 1000 respondents, no more and no less.

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