Question
Differentiate between Histogram and Bar Diagram.
|
S. No.
|
Histogram
|
Bar Graph
|
|
1.
|
It consists of rectangles touching each other.
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It consists of rectangles normally separated from each other with equal space.
|
|
2.
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The frequency is represented by the area of each rectangle.
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The frequency is represented by height. The width has no significance.
|
|
3.
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It is two dimensional where both the width (base) and the length (height of the rectangle) are important.
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It is one dimensional in which only length(height) matters while width is arbitrary.
|
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| School | Mean Income (₹) | Standard Deviation |
| A | 800 | 120 |
| B | 900 | 135 |
|
Class
|
0-10
|
10-20
|
20-30
|
30-40
|
40-50
|
50-60
|
|
Frequency
|
6
|
11
|
20
|
12
|
6
|
5
|
| Variable Input | 0 | 1 | 2 | 3 | 4 | 5 |
| Total Product | 0 | 8 | 20 | 28 | 28 | 26 |