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Chapter 2: Q.2.71 (page 69)

Use cutpoint grouping with the first cutpoint of 25 and a class width of 3.

Short Answer

Expert verified

a). The frequency distribution,

b). Relative frequency distribution,

c). Frequency histogram,

Step by step solution

01

Part (a) Step 1: Given Information

Given data:

02

Part (a) Step 2: Explanation

The frequency distribution of the given data;

03

Part (b) Step 1: Given Information

Given data:

04

Part (b) Step 2: Explanation

The relative frequency for the given data:

05

Part (c) Step 1: Given Information

Given data:

06

Part (c) Step 2: Explanation

The bars must be the same width and constrained by the lower class limitations.

The frequency must be reflected in the height of the bars.

The frequency distribution is represented by the histogram below:

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Most popular questions from this chapter

Explain the relative positioning of the bars in a histogram to the numbers that label the horizontal axis when each of the following quantities is used to label that axis.

a. Lower class limits

b. Lower class cut points

c. Class marks

d. Class midpoints

In Exercises 2.20-2.25, we have presented some simple qualitative data sets for practicing the concepts. For each data set,

a. determine a frequency distribution.

b. obtain a relative-frequency distribution.

c. draw a pie chart.

d. Construct a bar chart.

RBI Kings, As reported on MLB.com, the five players with the highest runs batted in (RBI) during the 2012 Major League Baseball season are listed in the following table. Also included are the teams for which they played, their positions, and their weights. Identify the type of data provided by the information in each column of the table.

Explain the meaning of

a) Qualitative Variable

b) Discrete, Quantitative Variable

c) Continuous, Quantitative Variable

Use cutpoint grouping with a first class of 40 -under 46.
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