Concept explainers
To find: Whether the survey is an experiment or an observational study and then identify the sample and suggest a population from which it may have been selected.
Answer to Problem 2MCQ
The sample are employees who are given an extra hour lunch break and the population is all grocery store employees.
Explanation of Solution
Given:
Half of the employees of a grocery store are randomly chosen for an extra hour lunch break. The managers then compare their attitudes with their co-workers.
Calculation:
From the given survey it is clear that the managers compare the attitudes of the employees randomly chosen for the extra hour lunch break with the co-workers. Thus, the manager collect the responses given by the members of the population regarding the behaviour.
Thus, the sample are employees who are given an extra hour lunch break and the population is all grocery store employees.
Chapter 11 Solutions
Glencoe Algebra 2 Student Edition C2014
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