Provide an Appropriate Response A) 31
B) 30
C) 32
D) 29

question 111

Multiple Choice

Provide an appropriate response.
-The monthly telephone usage (in minutes) of 30 adults is listed below. Find the interquartile range for the telephone usage of the 30 adults. $\begin{array} { l l l l l l l l l l } 154 & 156 & 165 & 165 & 170 & 171 & 172 & 180 & 184 & 185 \\ 189 & 189 & 190 & 192 & 195 & 198 & 198 & 200 & 200 & 200 \\ 205 & 205 & 211 & 215 & 220 & 220 & 225 & 238 & 255 & 265 \end{array}$

• A) 31
• B) 30
• C) 32
• D) 29