a. What is the difference between a statistic and a parameter? b. What is a simple random

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a. What is the difference between a statistic and a parameter?

b. What is a simple random sample?

c. What is a voluntary response sample , and why are such samples generally unsuitable for using methods of statistics to make inferences about populations?

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Elementary Statistics

ISBN: 9780321500243

11th Edition

Authors: Mario F. Triola

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