Stat Is TICKS
Number Theory
Level
2
Let X¯¯¯ and M.D. be the mean and the mean deviation about X¯¯¯ of n observations xi,i=1,2,.....,n. If each of the observations is increased by 5, then the new mean and the mean deviation about the new mean, are :
Both are same
mean is same, M.D increases by 5
Both increases by 5
mean increases by 5, M.D is same
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