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Q. 19

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Pre-algebra
Found in: Page 615
Pre-algebra

Pre-algebra

Book edition Common Core Edition
Author(s) Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff
Pages 183 pages
ISBN 9780547587776

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Illustration

Short Answer

Make a histogram from the stem-and-leaf plot. Don not use the same intervals in your histogram as are used in the stem-and-leaf plot.

913578891022223778911357121256678888key: 9|1=9.1

The histogram is,

See the step by step solution

Step by Step Solution

TABLE OF CONTENTS :
TABLE OF CONTENTS

Step 1. Given Information.

The provided stem-and-leaf plot is

913578891022223778911357121256678888key: 9|1=9.1

Step 2. Data Values.

Write the data values by converting the stem-and-leaf plot.

9.1, 9.3, 9.5, 9.7, 9.8, 9.8, 9.9, 10.2, 10.2, 10.2, 10.2, 10.3, 10.7, 10.7, 10.8, 10.9,11.3, 11.5, 11.7, 12.1, 12.2, 12.5, 12.6, 12.6, 12.7, 12.8, 12.8, 12.8, 12.8

Step 3. Frequency Table.

Make intervals of equal size for the provided data. For each interval, count the number of tally marks and write the frequency.

Intervals

Frequency

9.1−10.1

7

10.1−11.1

9

11.1−12.1

3

12.1−13.1

10

Step 4. Histogram.

Draw the horizontal and vertical axes. Label the intervals on the horizontal axis and the frequencies on the vertical axis.

Construct a bar to show the frequency of each interval.

Step 5. Conclusion.

The histogram is,

Most popular questions for Math Textbooks

A theatre group handed out cards at its last performance to gather information about the ages of people who attend the group’s performance. The histogram shows the results of the survey.

  1. What percent of people who attended the show were under 30 years old? Round your answer to the nearest percent.
  2. In which age group does the median age fall? Explain.
  3. The theatre group advertise its performance on the ratio. Should the group advertise on a station that younger adults like or one that older adults like? Explain.

In Exercise 6-8, make a box-and-whisker plot of the data.

Number of CDs in collections: 25,32,16,40,68,52,45,95,60,41

Clothing Prices, The table lists the prices of a set of comparable items of women’s and men’s and men’s clothing in 9 different cities.

  1. Make box-and-whisker plots for the women’s and men’s data.
  2. How do the prices in Houston compare with the rest of the cities for both women’s and men’s clothing? Explain your reasoning.
  3. Interpret, would you say women’s clothing prices or men’s clothing prices vary more in the cities in the survey? Explain your reasoning.

    City

    Women’s

    Men’s

    New York

    $690

    $1190

    Los Angeles

    $450

    $620

    Chicago

    $590

    $1100

    Houston

    $440

    $900

    Paris

    $430

    $700

    London

    $350

    $660

    Toronto

    $310

    $850

    Tokyo

    $760

    $1050

    Mexico City

    $380

    $620

You want to make a stem-and-leaf plot of the data values 90, 93, 85, 86, and 74. What numbers would you use as the stems?

Make a box-and-whisker plot of the following data:

255,287,299,224,200,360,231,388,318,364,381
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