![]() The number or values on the x-axis of a bar graph or the y-axis of a column graph are called the scale. The bars represent frequencies of distinctive values of a variable or commonly the distinct values themselves. ![]() They consist of an axis and a series of labelled horizontal or vertical bars. If the length of the bar graph is more, then the values are greater of any given data.īar graphs normally show categorical and numeric variables arranged in class intervals. The primary feature of any bar graph is its length or height. The bar graphs can be vertical or horizontal. The frequency distribution tables can be easily represented using bar charts which simplify the calculations and understanding of data. The heights or the lengths of the bars denote the value of the variable and these graphs are also used to compare certain quantities. Also, the measure of the variable is depicted on the other axes. The bars drawn are of uniform width and the variable quantity is represented on one of the axes. The pictorial representation of a grouped data, in the form of vertical or horizontal rectangular bars, where the lengths of the bars are equivalent to the measure of data, are known as bar graphs or bar charts. The different graphs that are commonly used in statistics are given below. The statistical graphs are used to represent a set of data to make it easier to understand and interpret statistical data. Statistical graphsĪ statistical graph or chart is defined as the pictorial representation of statistical data in graphical form. The details of each of these graphs (or charts) are explained below in detail which will not only help to know about these graphs better but will also help to choose the right kind of graph for a particular data set. Statistical Graphs (bar graph, pie graph, line graph, etc.)Īll these graphs are used in various places to represent a certain set of data concisely.The list of most common graph types are as follows: Among the various types of charts or graphs, the most common and the most widely used ones are given and explained below. There are different types of graphs in mathematics and statistics which are used to represent data in a pictorial form. In today’s class, we will be talking about the statistical graph.
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