Classifying Data, SM-Bank 024 MC

The school canteen wishes to conduct a survey to find out the preferred sandwich fillings of students so they can ensure they are catering to the likes of the students.

Which of the following survey options would provide the most useful information.

A survey of all students in year 8.
A survey of the total school population.
A survey of 20 boys from each year group.
A survey of 25 students from each year group who regularly buy their lunch at the canteen.

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\(D\)

Show Worked Solution

\(\text{Considering each option:}\)

A.	\(\text{Not representative of the whole school population.}\)
B.	\(\text{Not necessary to survey students who do not use the canteen.}\)
C.	\(\text{Not representative of the whole school population.}\)
D.	\(\text{Students from each year who use the canteen are surveyed,}\)
	\(\text{so representative of the whole population of canteen users. }\checkmark \)

\(\Rightarrow D\)