Question

Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar. This data set represents the number of cups of coffee sold in a café between 8 a.m. and 10 a.m. every day for 14 days. {10, 9, 6, 12, 4, 6, 7, 8, 15, 14, 12, 9, 10, 5}. The difference of the values of the first and third quartiles of the data set is .

Answer 1

First arrange the values in ascending order:-

4, 5, 6, 6, 7, 8, 9, 9, 10, 10, 12, 12, 14, 15,

The first quartile is  6  and the third is  12

So the difference is 12- 6 = 6 (answer)

Answer 2

The difference of the values of the first and third quartiles of the data set is 12 - 6 = 6