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Question
In a histogram, each class rectangle is constructed with base as
Options
frequency
class-intervals
range
size of the class
Solution
class-intervals
In a histogram, the class rectangles are constructed with base as the class−intervals.
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The following table gives the life times of 400 neon lamps:-
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| 400 - 500 | 56 |
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| 700 - 800 | 74 |
| 800 - 900 | 62 |
| 900 - 1000 | 48 |
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The following bar graph shows the results of an annual examination in a secondary school. Read the bar graph and choose the correct alternative in each of the following:
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