Concept explainers
For Exercises I-6, choose the correct letter.
In order to find out what the best restaurant in town is, you call 25 of your friends at random. What type of survey is this?
A. stratified B. systematic C. biased D. unbiased
Find the type of survey.
Answer to Problem 5STP
D
Explanation of Solution
Given:
In order to find out what the best restraunt in town is , you call 25 of your friends at random.
Calculation:
Since friends are called randomly and each friend will share his opinion about his favourite restratunt. So, the survey is unbiased.
So , correct option is D.
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