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Chapter 2: Q.19 (page 130)

Construct a frequency polygon from the frequency distribution for the 50 highest ranked countries for depth of hunger

Short Answer

Expert verified

The frequency polygon for the highest rank countries for depth of hunger:

Step by step solution

01

Content Introduction

A frequency polygon is a line graph representing class frequency against the midpoint of the class. The midpoints of the tops of the rectangles in the histogram can be joined to get it.

02

Content Explanation

We need to enter the data in Excel in order to draw a frequency polygon.

Steps followed are:

  1. Enter the data in excel worksheet as shown above.
  2. select Lower bound and frequency together. Go to insert and click on line chart.
  3. the chart will appear. Right click on any point and click on format data series.
  4. Go to marker option and select marker of choice and size.
  5. Click OK to get overlayed frequency polygon.

The so formed frequency polygon is:

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Most popular questions from this chapter

Construct a times series graph for

(a) the number of male births,

(b) the number of female births, and

(c) the total number of births.

Use the following information to answer the next six exercises. Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fourteen people answered that they generally sell three cars; nineteen generally sell four cars; twelve generally sell five cars; nine generally sell six cars; eleven generally sell seven cars.

Third quartile = _______

Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fourteen people answered that they generally sell three cars; nineteen generally sell four cars; twelve generally sell five cars; nine generally sell six cars; eleven generally sell seven cars. Complete the table.

Use the following information to answer the next two exercises. Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fourteen people answered that they generally sell three cars; nineteen generally sell four cars; twelve generally sell five cars; nine generally sell six cars; eleven generally sell seven cars.

Looking at your box plot, does it appear that the data are concentrated together, spread out evenly, or concentrated in some areas, but not in others? How can you tell?

The following data represent the number of employees at various restaurants in New York City. Using this data, create a histogram.

22;35;15;26;40;28;18;20;25;34;39;42;24;22;19;27;22;34;40;20;38;and 28

Use 10鈥�19as the first interval.
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