Concept explainers
For Exercises 1-6, choose the correct letter.
You want to find out what the favorite hot lunch in the school cafeteria is among the high school students. At an assembly for the whole school, you decide to survey all students who are sitting on the end of their rows in the auditorium. What type of survey are you conducting?
F. biased
G. random
H. systematic
I. stratified
Find the type of survey you are conducting.
Answer to Problem 2STP
H
Explanation of Solution
Given:
You want to find out what the favourite hot lunch in the school cafeteria is among the high school students.At an assembly for the whole school, you decide to survey all students who are sitting on the end of their rows in the auditorium.
Calculation:
In systematic sampling, the list of elements is "counted off". That is, every kth element is taken. This is similar to lining everyone up and numbering off "1,2,3,4; 1,2,3,4; etc". When done numbering, all people numbered 4 would be used.So, here the type of survey is Systematic since every student sitting in the end of the row is chosen for survey.
So , correct option is H
Chapter 12 Solutions
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