The data below shows the time intervals, in minutes, between two consecutive buses on the same route.
15,\ 13,\ 12,\ 18,\ 20,\ 19,\ 1215, 13, 12, 18, 20, 19, 12
Find the first, second, and third quartiles of the time intervals.
A
First quartile=12 and Third quartile=19\mathrm{First}\ \mathrm{quartile}=12\ \mathrm{and}\ \mathrm{Third}\ \mathrm{quartile}=19First quartile=12 and Third quartile=19
B
First quartile=10 and Third quartile=15\mathrm{First}\ \mathrm{quartile}=10\ \mathrm{and}\ \mathrm{Third}\ \mathrm{quartile}=15First quartile=10 and Third quartile=15
C
First quartile=15 and Third quartile=20\mathrm{First}\ \mathrm{quartile}=15\ \mathrm{and}\ \mathrm{Third}\ \mathrm{quartile}=20First quartile=15 and Third quartile=20
D
First quartile=13 and Third quartile=19\mathrm{First}\ \mathrm{quartile}=13\ \mathrm{and}\ \mathrm{Third}\ \mathrm{quartile}=19First quartile=13 and Third quartile=19
Part B
Find the interquartile range of the given data.
Extracted text: Part A The data below shows the time intervals, in minutes, between two consecutive buses on the same route. 15, 13, 12, 18, 20, 19, 12 Find the first, second, and third quartiles of the time intervals. First quartile = 12 and Third quartile = 19 B First quartile = 10 and Third quartile = 15 OFirst quartile = 15 and Third quartile = 20 D First quartile = 13 and Third quartile = 19 Part B Find the interquartile range of the given data.
Extracted text: 1 Part A The data below shows the time intervals, in minutes, between two consecutive buses on the same route. (a) 15, 13, 12, 18, 20, 19, 12 Find the first, second, and third quartiles of the time intervals. A First quartile = 12 and Third quartile = 19 B First quartile = 10 and Third quartile = 15 (© First quartile = 15 and Third quartile = 20 D First quartile = 13 and Third quartile = 19