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Chapter 11: Q. 10E (page 614)

Use the data to make a frequency table and a histogram.

9,15,2,4,9,11,10,1,18,4,9,2,8,7,4,11,10,9,16,5

Short Answer

Expert verified

The frequency table and the histogram are as follows:

Intervals

Frequency

0−4

3

4−8

5

8−12

8

12−16

1

16−20

1

Step by step solution

01

Step 1. Given Information.

The provided numbers are,

9,15,2,4,9,11,10,1,18,4,9,2,8,7,4,11,10,9,16,5

02

Step 2. Frequency Table.

Make intervals of equal size for the provided data. Record the interval in which a particular data value lies by using the tally marks. For each interval, count the number of tally marks and write the frequency.

Intervals

Tally Marks

Frequency

0−4

|||

3

4−8

||||

5

8−12

|||||||

8

12−16

|

1

16−20

|

1

03

Step 3. 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.

04

Step 3. Conclusion.

The frequency table and the histogram are as follows:

Intervals

Frequency

0−4

3

4−8

5

8−12

8

12−16

1

16−20

1

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Most popular questions from this chapter

Tell which data display(s) you could use to display the data. Explain why.

The heights (in meters) of different palm trees.

Use the data to make a frequency table and a histogram.

1300,2800,9100,7600,3100,2200,1300,2500,4200,1800,1100,6000

The weights (in grams) of 13 canaries at a pet shop are as follows:

15,17,9,22,19,21,20,25,11,12,9,20,17

1.Make an ordered stem-and-leaf plot of the data.

2. Find the median and the range of the data.

Another canary weighs 18 grams. How does this canary compare with the others?

In Exercise 21-23, use the box-and-whisker plot below.

Multiple Choice, about what percent of data values are less than 21?

A. 12.5% B. 25% C. 50% D. 75%

A survey was conducted to find the percent of Americans who enjoy camping. The surveyor randomly selected 20 individuals from each of the 50 states and asked, “DO you enjoy, greatly enjoy, or not enjoy camping in the woods, where the air is fresh and clean?” How much should you trust the results of this survey?

  1. Identify the sampling method and population.
  2. Do you think the sample chosen was representative of the population? Explain.
  3. Do you think the question is biased? If so, explain how it would affect the results of the survey.
See all solutions

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