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 1MCQ
The survey is the observational study as high school students are viewing pictures of mascot ideas that is high school student body.
Explanation of Solution
Given:
A high school principal wants to test five ideas for a new school mascot. He randomly selects 15 high school students to view pictures of the ideas while he watches and records their reactions.
Calculation:
Consider that to test five ideas for the school mascot the school principal randomly selects 15 students and record their reactions.
The principal collects the responses given by the members of the population regarding the opinions about the mascots hence it’s a survey.
The survey is the observational study as high school students are viewing pictures of mascot ideas that is high school student body.
Chapter 11 Solutions
Glencoe Algebra 2 Student Edition C2014
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