Question
What is a variable? Distinguish between a discrete and a continuous variable.
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Discrete Variable
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Continuous Variable
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A variable that takes only whole number as its value is called discrete variable.
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A variable that can take any value, within a reasonable limit is called a continuous variable
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These variables increase in jumps or in complete numbers.
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These variables assume a range of values or increase in fractions and not in jumps
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For example: Number of people in a family, number of students in a class, etc.
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For example: age, height, weight, etc.
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Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| Units of X | 1 | 2 | 3 | 4 | 5 |
| $M U_{ X }$ | 10 | 9 | 7 | 3 | -5 |
| S.No. | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| Marks Scored | 20 | 50 | 75 | 25 | 80 | 40 | 60 |
| Gender | Enrolled (%) | Out of school (%) |
| Boys | 91.5 | 8.5 |
| Girls | 58.6 | 41.4 |
| All | 78.0 | 22.0 |
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Year
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Males (in crores)
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Females (in crores)
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Total Population (in crores)
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2015
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25
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10
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35
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2016
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30
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20
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50
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2017
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50
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25
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75
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