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Chapter 2: Q. 2.48 (page 68)

Explain the difference between a frequency histogram and a relative-frequency histogram.

Short Answer

Expert verified

The main difference between a frequency histogram and a relative frequency histogram is that in a relative histogram, the height of each bar equals the relative frequencies of the class rather than the frequency of the class.

Step by step solution

01

Concept introduction

In statistics, a histogram is a solid figure or diagram made up of rectangular bars. It's one of the most used types of bar graph, and it's used to visualise any numeric data in a practical way.

02

Explanation

A frequency histogram is a sort of bar graph that displays the frequency, or number of times, a data set's outcome happens. To graphically show the data, it has a title, an x-axis, a y-axis, and vertical bars.

A relative frequency histogram is a variant of the standard frequency histogram. We use this axis to express the overall proportion of data values that fall into this bin, rather than utilising a vertical axis to represent the count of data values that fall into a certain bin.

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