8th Edition

ISBN: 8220106798706

Author: BRASE

Publisher: Cengage Learning US

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A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

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Textbook Question

Chapter 9, Problem 7CRP

Sampling Distribution p ^ Do you have a great deal of confidence in the advice given to you by your medical doctor? About 45% of all adult Americans claim they do have a great deal of confidence in their MDs (Reference: National Opinion Research Center, University of Chicago). Suppose a random sample of n = 32 adults in a health insurance program are asked about their confidence in the medical advice their doctors give.

(a) Is the normal approximation to the proportion p ∧ = r / n valid?

(b) Find the values of μ p ^ and σ p ^

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Chapter 9, Problem 6CRP

Chapter 9, Problem 8CRP

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Chapter 9 Solutions

EBK UNDERSTANDING BASIC STATISTICS

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Solution Summary: The author explains how to approximate the stackrelp distribution by a normal distribution.

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