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Chapter 12: Problem 43

What is a histogram?

Short Answer

Expert verified
A histogram is a graphical representation of statistical data that organizes a group of data points into a specified range. It shows the frequency of data occurrences in a continuous interval or certain time period. Histograms are typically used in statistics to demonstrate data distribution.

Step by step solution

01

Defining a Histogram

A histogram is a display of statistical information that uses rectangles to show the frequency of data items in successive numerical intervals of equal size. In the most common form of histogram, the independent variable is plotted on the horizontal axis and the dependent variable is plotted on the vertical axis. The data appears as colored or shaded rectangles of variable area.
02

Understanding Its Function

The main use of a histogram is to visually display the distribution (or set shape) of continuous or numerical data. It gives a general sense about the data distribution including its central tendency and variability. It also shows any outliers or gaps in the data.
03

Application of a Histogram

Histograms are widely used in statistics, business and particularly in data analysis to give a visual representation of data which makes it easier for human brains to understand and process the complexity of large data sets.

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