For a set of 15 observations, the mean and standard deviation are 40 and 6.5 is added in each observation. New mean and standard deviation will be
A. 45, 11
B. 35, 11
C. 45, 1
D. 4, 6
Answer: Option D
Related Questions on Agricultural Statistics
A. Field trails
B. Exhibitions
C. Competition
D. Fair
The intelligency, ability or efficiency can be measured by use of
A. Median
B. G.M.
C. Weighted H.M.
D. Geometric mean
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