In estimating a population mean m using a sample mean ,

Chapter 13, Problem 71SE

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QUESTION:

In estimating a population mean \(\mu\) using a sample mean \(\bar{x}\), why is it likely that \(\bar{x}\ \neq\ \mu\)? Construct a cause-and-effect diagram for the effect \(\bar{x}\ \neq\ \mu\).

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QUESTION:

In estimating a population mean \(\mu\) using a sample mean \(\bar{x}\), why is it likely that \(\bar{x}\ \neq\ \mu\)? Construct a cause-and-effect diagram for the effect \(\bar{x}\ \neq\ \mu\).

ANSWER:

Step 1 of 2

We need to construct cause-and-effect diagram for the effect. Where in estimating

the population mean , the sample mean is used. It is not possible always that the sample mean is exactly equal to the population mean.

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