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Relation between Mean, Median and Mode

The arithmeti...

Question

The arithmetic mean of 30 values is 69. New mean, if each of the 30 values is increased by 5 is

A

70

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B

72

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C

75

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D

74

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Solution

The correct option is D
74

If each observation is increased by a constant value, then the new mean will be the original mean plus the constant value.
New Mean = Original Mean + Increased Value
Thus, New Mean = 69 + 5 = 74

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