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6-8 Grade 6 Unit 8 Lesson 16

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K-5 Math •6-8 Math 9-12 Math

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•Grade 6 Grade 7 Grade 8

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Unit 1 Unit 2 Unit 3 Unit 4 Unit 5 Unit 6 Unit 7 •Unit 8 Unit 9

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Lesson 1 Lesson 2 Lesson 3 Lesson 4 Lesson 5 Lesson 6 Lesson 7 Lesson 8 Lesson 9 Lesson 10 Lesson 11 Lesson 12 Lesson 13 Lesson 14 Lesson 15 •Lesson 16 Lesson 17 Lesson 18

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9-12

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Grade 8

Accelerated 6
Accelerated 7

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Unit 2
Unit 3
Unit 4
Unit 5
Unit 6
Unit 7
Unit 8
Unit 9

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Lesson 2
Lesson 3
Lesson 4
Lesson 5
Lesson 6
Lesson 7
Lesson 8
Lesson 9
Lesson 10
Lesson 11
Lesson 12
Lesson 13
Lesson 14
Lesson 15
Lesson 16
Lesson 17
Lesson 18

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Unit 8, Lesson 16

Box Plots

Grade 6

Practice

Problem 1
Student Task Statement
Each student in a class recorded how many books they read during the summer. Here is a box plot that summarizes their data.

What is the greatest number of books read by a student in this group?

What is the median number of books read by the students?

What is the interquartile range (IQR)?
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Problem 2

Lesson 16 Resources

Student Materials

Student Task Statement

Use this five-number summary to draw a box plot. All values are in seconds.

Minimum: 40
First quartile (Q1): 45
Median: 48

Third quartile (Q3): 50
Maximum: 60

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Problem 3

Student Task Statement

The data shows the number of hours per week that each of 13 seventh-grade students spent doing homework. Create a box plot to summarize the data.

3
10
12
4
7
9
5
5
11
11
5
12
11

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Problem 4

Student Task Statement

The box plot displays the data on the response times of 100 mice to seeing a flash of light. How many mice are represented by the rectangle between 0.5 and 1 second?

<p>Box plot from 0.2 to 1.2 by 0.1’s. Response time in seconds. Whisker from 0.3 to 0.5. Box from 0.5 to 1 with vertical line at 0.8. Whisker from 1 to 1.1.</p><br>

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Problem 5

ForLesson 14: Comparing Mean and Median

Student Task Statement

Here is a dot plot that represents a data set. Explain why the mean of the data set is greater than its median.

<p>A dot plot with the numbers 0 through 10 is indicated. The data are as follows: 2, 3 dots. 3, 3 dots. 4, 1 dot. 5, 1 dot. 8, 1 dot. 9, 1 dot.</p>

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Problem 6

ForLesson 9: Mean

Student Task Statement

Jada earns money from babysitting, walking her neighbor’s dogs, and running errands for her aunt. Every four weeks, she combines her earnings and divides them into three equal parts—one for spending, one for saving, and one for donating to a charity. Jada donated $26.00 of her earnings from the past four weeks to charity.

How much could she have earned from each job? Make two lists of how much she could have earned from the three jobs during the past four weeks.

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