Concept explainers
To identify: The sample and the population. Also classify the type of data collection used.
Answer to Problem 7PPS
Sample: Group of 100 people at the testing.
Population: All people at the testing.
Type of data collection:Experiment.
Explanation of Solution
Given:
A frozen food company is considering creating frozen meals with tofu instead of meat. At a testing, they randomly give half of a group of 100 people the meals with meat and the other half the same meals with tofu and ask the people how they like the meals.
Here, the sample is the 100 people who try the meals and the population is all people at the testing. Since, the food company draws conclusion about the preference of each item after the testing, the method of data collection is an experiment.
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