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Question
Which one of the following is not the graphical representation of statistical data:
Options
Bar graph
Histogram
Frequency polygon
Cumulative frequency distribution
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Solution
Cumulative frequency distribution
We know that bar graph, histogram and frequency polygons are all graphical representation of statistical data.
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RELATED QUESTIONS
The following table gives the life times of 400 neon lamps:-
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| 300 - 400 | 14 |
| 400 - 500 | 56 |
| 500 - 600 | 60 |
| 600 - 700 | 86 |
| 700 - 800 | 74 |
| 800 - 900 | 62 |
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Given below (Fig. below) is the bar graph indicating the marks obtained out of 50 in mathematics paper by 100 students. Read the bar graph and answer the following questions:

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(iv) State whether true or false.
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| Height (in cm): | 124 to 128 |
128 to 132 |
132 to 136 |
136 to 140 |
140 to 144 |
144 to 148 |
148 to 152 |
152 to 156 |
156 to 160 |
160 to 164 |
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Do you think this representation is correct? Why?
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| 40 – 50 | 6 |
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