arithmetic mean of frequency is 5 . if each frequency is multiplied by three , then what will be the arithmetic mean
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mean = 5
new mean =5 x 3
new mean=15
(if every frequency is multiplied by 3 then the mean is also multiplied by 3)
new mean =5 x 3
new mean=15
(if every frequency is multiplied by 3 then the mean is also multiplied by 3)
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