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If the range of a data is 9 and its high...

If the range of a data is 9 and its highest value is 81, then its least value is

A

71

B

72

C

73

D

74

Text Solution

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The correct Answer is:
B
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PEARSON IIT JEE FOUNDATION-STATISTICS-Very Short Answer Type
  1. If the range of a data is 9 and its highest value is 81, then its leas...

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  2. The mean of the observation 7, 8, 9, 11 and 15 is 10.

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  3. The median of the data 13, 12, 10, 8, 4, 6, and 15 is 10.

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  4. the mode of the data 8, 4, 5, 3, 6, 7, 7, 8, 4, 6, 8, 9 and 9 is 7.

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  5. For an unbiased coin, the probability of getting tail is 1/2.

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  6. The mean of 20, 40, 35, 42, and 45 is .

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  7. In a pie chart, the central angle for a component value of 240, when t...

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  8. In a bar graph, the height of a bar is 5.2 cm. If 1 cm=80 units, then ...

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  9. the range of the data 13, 18, 20, 15, 12, 17, 9, 14, 11, and 16 is .

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  10. If the sum of 10 observations is 95, then their mean is .

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  11. In a pictograph, if 1 picture = 80 cars, then 240 cars is equal to pi...

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  12. the median of the data 13, 12, 14, 13, 15, 16, 18, is .

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  13. If a dice is rooled, then the probability of getting a prime number is...

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  14. When an unbiased coin is tossed, the probability of getting a head is ...

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  15. The maximum value of the probability of an event is .

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  16. The measures of central tendency are .

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  17. The middle value of a data, when it is arranged in ascending or descen...

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  18. If a dics is thrown, then the probability of getting an even number is...

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  19. The mode of a data is .

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  20. The central angle of a component in a pie chart is .

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