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There are 50 numbers. Each number is sub...

There are 50 numbers. Each number is subtracted from 53 and the mean of the number so obtained is found to be `=3.5`. The mean of the given number is

A

48.9

B

49.5

C

52.5

D

56.5

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The correct Answer is:
D
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MCGROW HILL PUBLICATION-STATISTICS -MULTIPLE CHOICE QUESTIONS
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  14. If m is the mid-point and l is the upper limit of a class in a contino...

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  15. The class marks of a frequency distribution are given as follows 15,20...

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  17. निम्नलिखित बारम्बारता बंटन का माध्य ज्ञात कीजिए : {:(x:,10,12,20,2...

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  19. Kavita obtained 16, 14, 18 and 20 marks (out of 25) in Maths in weekly...

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