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Chapter 11: Q. 13 (page 614)

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

66,78,91,42,45,88,69,73,76,80,50,63,57,54,71,66

Short Answer

Expert verified

The frequency table and the histogram are as follows:

Intervals

Frequency

40−60

5

60−80

7

80−100

3

Step by step solution

01

Step 1. Given Information.

The provided numbers are,

66,78,91,42,45,88,69,73,76,80,50,63,57,54,71,66

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

40−60

||||

5

60−80

|||||||

7

80−100

|||

3

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

40−60

5

60−80

7

80−100

3

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Most popular questions from this chapter

Tell which data display(s) allow you to identify the specified information.

The median of the data set.

Find the slope of the line through the given points.

−3, −5, −6, 7

Extended Problem Solving An outlier is a data value whose distance from the upper or lover quartile is more than 1.5 times the interquartile range.

  1. Make a box-and-whisker plot for the following data:109,113,121,124,125,128,134,134,136,198 .
  2. Calculate Determine if there are any outliers in the data set.
  3. Make a box-and-whisker plot for the data, excluding any outliers.

Writing explain how removing an outlier changes the appearance of the box-and-whisker plot. What conclusion can you make from the plot in part (a)?

Find the sum or difference.

37+-27

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

The responses to a survey question with a choice of yes, no, or maybe.
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