Averages

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Question 4

56%

Here are the quiz scores of seven students.


15	8	12	20	15	14	7
----	---	----	----	----	----	---

a.

Work out the range of these quiz scores.

[1]

b.

Work out the median of these quiz scores.

[2]

c.

Work out the mean of these quiz scores.

[2]