Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 2 - Review - Case Study - The Day the Sky Roared - Page 126: 5

Answer

A bar graph of the community sizes and the number of deaths is shown below:

Work Step by Step

A frequency bar graph is a graph where the frequency of each part of a sample is represented as bars. It shows comparisons between different types of categories in the data. The steps to create a frequency bar graph in Excel are as follows: Step 1: Enter the categories of community sizes in A column from A1 to A6 and frequency of each category, that is,the number of deaths, in B column from B1 to B6. Step 2: Select the data and go to Insert option in the menu bar. Step 3: Under the column title, select the appropriate column to represent the frequency bar graph. Step 4: A frequency bar graph is generated.Add horizontal axis title as “community sizes” and the vertical axis as“number of deaths”. Yes, tornadoes are more likely to strike rural areas. From the bar graph, it is clear that the graph is negatively skewed.
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