Concept explainers
For Exercises 1-6, choose the correct letter.
A store would like to understand what is important to their customers. They randomly select every 50th customer to survey. What type of survey is this?
F. biased
G. random
H. systematic
I. stratified
Find the type of survey.
Answer to Problem 6STP
H
Explanation of Solution
Given:
A store would like to understand what is important to their customers.They randomly select every 50th customer to survey.
Calculation:
In systematic sampling, the list of elements is "counted off". That is, every kth element is taken. Since here every 50th customer is taken , the type of sampling is systematic.
So , correct option is H.
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