### Home > ACC7 > Chapter 7 Unit 4 > Lesson CC2: 7.2.2 > Problem7-117

7-117.

This problem is a checkpoint for displays of data. It will be referred to as Checkpoint 7B.

For the information in parts (a) and (b), create a histogram. For the information in parts (c) and (d), create a box plot and then identify the quartiles and interquartile range.

1. Hours spent doing after school sports each weekday by students: $0$, $4$, $0$, $1$, $1$, $1$, $\frac { 1 } { 2 }$, $1\frac{1}{2}$, $2$, $2$, $\frac { 1 } { 2 }$, $2$, $2$, $2$, $1\frac{1}{2}$, $1\frac{1}{2}$, $1$, $1$, $2$, $4$, $\frac { 1 } { 2 }$, $\frac { 1 } { 2 }$, $2$

2. Amount of time spent solving a math puzzle (minutes) by study teams: $3$, $15$, $18$, $14$, $10$, $14$, $19$, $8$, $14$, $14$, $15$, $19$, $9$

3. Average number of text messages sent per day by a group of friends: $47$, $52$, $50$, $47$, $51$, $46$, $49$, $46$, $48$

4. Number of points scored by the basketball team during a season: $76$, $90$, $75$, $72$, $93$, $82$, $70$, $85$, $80$