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What is a Histogram? Video Lecture | Mathematics (Maths) Class 8
FAQs on What is a Histogram? Video Lecture - Mathematics (Maths) Class 8
| 1. What is a histogram? |  |
Ans. A histogram is a graphical representation of a frequency distribution. It consists of a series of bars, where the area of each bar represents the frequency of a particular data range.
| 2. How is a histogram different from a bar graph? | |
Ans. While both a histogram and a bar graph use vertical bars to represent data, they differ in the type of data they represent. A histogram displays data that is continuous and grouped into intervals, whereas a bar graph represents discrete data.
| 3. What is the purpose of a histogram? | |
Ans. The purpose of a histogram is to visualize the distribution and frequency of a dataset. It helps in understanding the shape of the data, identifying outliers, and gaining insights into the variability and central tendency of the data.
| 4. How is a histogram constructed? | |
Ans. To construct a histogram, the first step is to divide the range of the data into intervals or bins. Then, the frequency of each interval is determined, and the corresponding bars are drawn with heights proportional to the frequencies.
| 5. Can a histogram show percentages instead of frequencies? | |
Ans. Yes, a histogram can be modified to show percentages instead of frequencies. In this case, the height of each bar represents the percentage of data falling within the corresponding interval. This allows for better comparison between different datasets or categories.
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