Multiple Choice
In introductory statistics, what does the infant mortality rate (IMR) measure?
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1. Intro to Stats and Collecting Data
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A report shows the amount (in dollars) spent by each customer in a grocery store. Is this data set a population or sample?
A
Population
B
Sample
Verified step by step guidance1
Understand the definitions: A 'population' includes all members of a specified group, while a 'sample' is a subset of the population used to represent the group.
Identify the context: The problem describes a report showing the amount spent by each customer in a grocery store.
Determine the scope: If the report includes data for every customer who visited the store during a specific period, it represents a population.
Consider the alternative: If the report only includes data for a selection of customers, it represents a sample.
Conclude based on the information: Since the problem states 'each customer,' it implies that the data set includes all customers, indicating it is a population.
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