Question

Find the range and interquartile range of the data below.
13, 14, 15, 18, 19, 19, 19, 20


range = 7

IQR = 5


range = 20

IQR = 4


range = 7

IQR = 4.5


range = 13 to 20

IQR = 14.5 to 19

Answer 1

Range = 20 - 13

Answer 2

Find the median.
Find the value of Q1 and that of Q3.
Find the IQR by subtracting Q1 from Q3.

Answer 3

ok and then the iq will be

Answer 4

Note: n = 8, meaning that you have an even number of data points. Therefore, the median is ... ?

Answer 5

18

Answer 6

How did you obtain a median of 18? Note that OpenStudy rules forbid asking for or providing direct answers.

Answer 7

@Mehek14