Concept explainers
To identify: The sample and the population. Also, classify the sample as simple, stratified or systemic.
Answer to Problem 17PPS
Sample: Every fiftieth customer who comes into the store.
Population: Every customer who comes into the store.
The sample is a systemic random sample.
Explanation of Solution
Given:
A music store gives every fiftieth customer a free CD by a local artist.
Sample: Every fiftieth customer who comes into the store.
Population: Every customer who comes into the store.
Since items in the sample are selected at every fiftieth interval, it is a systemic random sample.
Chapter 12 Solutions
Algebra 1
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