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If each obser...

Question

If each observation is increased by 5, then its mean _____

A

45

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B

18

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C

68

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D

80

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Solution

The correct option is B
18

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Similar questions

Q. If each observation of the data is increased by

5,

then their mean :

Q. If each observation of a data is increased by 5, then their mean
(a) remains the same
(b) becomes 5 times the original mean
(c) is decreased by 5
(d) is increased by 5

Q. The mean of 30 observations is 18. If each observation is increased by 2 , then find the mean of new observations.

Q. Assertion :If the mean of a set of observations

x_{1}, x_{2}, . . . . ., x_{n}

¯ x

, then mean of the observations

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¯ x + 2

. Reason: If each observation is increased by

2,

then mean is increased by

2

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x \neq 0

) and increased by y then the mean of new observation is

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