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1. In each case, are the data collected from a census or a sample?
Justify your answer.

a) To find the favorite TV show of Grade 8 students in a school,
fifteen of the 40 Grade 8 students in the school are surveyed.

b) To find the favorite video game of Ontario 13-year-olds,
all 13-year-old students in Ontario are surveyed.

c) To find out if customers of a chain of coffee shops are
happy with the service, some customers in every shop
were surveyed.

 Dec 7, 2020
edited by parpar1  Dec 7, 2020
 #1
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a. Sample, 15 is not the total of 40.

b. Census, when you hear "all" then you know that it is a total census.

c. Sample, it says "some", implying only a portion.

 Dec 8, 2020

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