
Concept explainers
To identify: The sample and the population. Then classify the sample as simple, stratified or systemic.

Answer to Problem 3ACYP
Sample: Every tenth cook in each category.
Population: All cooks
The sample is a stratified and a systemic random sample.
Explanation of Solution
Given:
In a cooking competition, all cooks are divided into three categories and every tenth cook in each category is selected to explain the rules.
The population here is all cooks and every tenth cook from each category forms the sample. Since the cooks are divided into categories, the sample is stratified and a cook is selected at every tenth interval, the sample is also systemic.
Chapter 12 Solutions
Algebra 1
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