Business Statistics And Research Methods - Study Mode
[#481] If 'm' is the mean of a Poisson Distribution, the standard deviation is given by
Correct Answer
(A) √m
[#482] Match the following. List-I List-II a. Range 1. Summing up the consecutive frequencies b. Width of the interval 2. Range/Number of classes c. Open ended class 3. Highest value-lowest value in data d. Cumulative frequency 4. No lower limit of first group or no upper limit of the last group
Correct Answer
(B) a-3, b-2, c-4, d-1
[#483] In case of unequal term values-
Correct Answer
(B) $$overline X > G.M. > H.M.$$
[#484] A histogram is constructed from a frequency distribution and is
Correct Answer
(B) two dimensional
[#485] Who said, "Statistics is the science of estimates and probabilities."
Correct Answer
(B) Boddington