Q 1.41.

Question

Estimating Median Income.  Explain why a sample of 30 dentists from Seattle taken to estimate the median income of all Seattle residents is not representative.

Step-by-Step Solution

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Answer

The dentists belong to a high-income group whose earnings aren't reflective of the overall population's earnings.

1Step 1. Given information.

The given information is:

Explain why a sample of 30 dentists from Seattle taken to estimate the median income of all Seattle residents is not representative. 

2Step 2. Explanation.

The 30 dentists which are used to estimate the median income of all residents of Seattle are not representative of the entire population. 

Because the dentists are from a high-income group whose earnings aren't reflective of the overall population's earnings.