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# To determine whether a sample should be treated as a

ISBN: 9780073401331 38

## Solution for problem 7E Chapter 1.1

Statistics for Engineers and Scientists | 4th Edition

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Statistics for Engineers and Scientists | 4th Edition

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Problem 7E

To determine whether a sample should be treated as a simple random sample, which is more important: a good knowledge of statistics, or a good knowledge of the process that produced the data?

Step-by-Step Solution:

Step 1 of 3:

To determine whether a sample should be treated as a simple random sample it is more important to have a good knowledge of  the process that produced the data than a good knowledge of statistics.

Step 2 of 3:

Because the person who is deciding the type of sampling should know the nature of the data perfectly. For different type of data we need to choose  the different type sampling. Which is according to the general structure of data.

If the data have a random nature. That means by selecting the sampling units randomly also we will get a good conclusion about the basic characteristics of the data. Then it is better to use simple random sampling method.

Step 3 of 3

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