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Chapter 11: Q. 7 (page 614)

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

62,77,50,6,44,61,70,9,62,71,65,41,54,63,58,64,70

Short Answer

Expert verified

The ordered stem-and-leaf plot is,

0691234145048612234570017

Step by step solution

01

Step 1. Given Information.

The provided numbers are,

62,77,50,6,44,61,70,9,62,71,65,41,54,63,58,64,70

02

Step 2. Calculation.

To find the ordered stem-and-leaf plot of the data write the stem first. The tens’ digits of the data values be the stems.

Then, record each leaf by writing its ones’ digit on the same line as its corresponding stem.

Orderedplot0691234145048612234570017

03

Step 3. Conclusion.

The ordered stem-and-leaf plot is,

0691234145048612234570017

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Most popular questions from this chapter

The stem-and-leaf plot shows the times (in minutes) for 30 men who completed the 2002 Boston Marathon using a wheelchair.

8369033561000133333336911123991212499133Key:8|3=83minutes

  1. What was the fastest time?
  2. Find the median of the times.
  3. What percent of the participants finished the race in less than 2 hours?
The fastest female wheelchair time in the marathon was 1 hour 46 minutes. How does this time compare with the times of the 30 male participants?

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

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

The mode of the data set.

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)?

You ask the first 30 people coming out of a movie theatre what type of movie they prefer. Is your sample likely to represent the population of all moviegoers? Explain.
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