Presenting Categorical Data Graphically:
Categorical or Qualitative data are pieces of information that allow us to classify the objects under investigation into various categories.
A Bar Graph is a chart that uses either horizontal or vertical bars to show comparisons among categories.
Construction of a Bar Graph:
To construct a Bar Graph, we need to draw a vertical axis and a horizontal axis. The vertical axis will have a scale and measure the frequency of each category. The horizontal axis shows the categories. The bar height shows the frequency.
A Histogram is bar graph that represents a Frequency Distribution. The width represents the interval and the height represents the corresponding frequency. There are no spaces between the bars.
1. What is Bar graph?
2. How do you construct a Bar Graph?
3. What is Histogram?
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