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Q. 10

Expert-verified
Found in: Page 237

### The Practice of Statistics for AP Examination

Book edition 6th
Author(s) Daren Starnes, Josh Tabor
Pages 837 pages
ISBN 9781319113339

# Sampling mall shoppers You may have seen the mall interviewer, clipboard in hand, approaching people passing by. Explain why even a large sample of mall shoppers would not provide a trustworthy estimate of the current unemployment rate in the city where the mall is located.

The sample is likely to overestimate the unemployment rate since individuals without work have more time to spend at the mall than those who do.

See the step by step solution

## Step 1 : Given Information

We have to explain why even a large sample of mall shoppers interviewed by a mall interviewer would not provide a trustworthy estimate of the current unemployment rate.

## Step 2 : Simplification

A large sample of mall shoppers would not provide a trustworthy estimate of the current unemployment rate in the city where the mall is located because persons without jobs have more time to spend at the mall than those who do, the sample is likely to exaggerate the unemployment rate.