Question

Aundrey is buying supplies for school. She buys a new calculator, some books and a notebook. The prices of the ideals are listed here. Find the range and the interquartile range of the prices of the ideals { 125, 17, 23, 16, 21, 18, 24, 18, 3

Answer 1

First order the prices

3,16,17,18,18,21,23,24,125

range
125-3= 122

18 median
Q1= 16+17 /2= 33/2= 16.5
Q3= 23+24 /2= 47/2=23.5

IQT= 23.5-16.5=7