Question

Please help!

A swimming club's coach recorded the ages of the kids that participated in a race.

The kids' ages are: {9, 7, 8, 10, 7, 8, 7, 10, 10}

What is the interquartile range (IQR) of the kids' ages?

A) 1

B) 2

C) 3

D) 4

Answer 1

The answer is C for sure

Answer 2

Answer: C) 3

Explanation:

Find the greatest and lowest number by putting the number in order.

7, 7, 7, 8, 8, 9, 10, 10, 10

Then find the difference between the greatest and lowest number.

10 - 7 = 3