(A) (n2 + 1)
(B) (2n + 1)2
(C) (n + 1)2
(D) (N – 1)2
Tag: Statistics Mcqs With Answers
Combine mean calculated by different given mean is __.
(A) n1x1 + n2x2x + _____ nuxu/n1 +n2 + ___ + nu
(B) n1x1 + n2x2x + _____ nuxu/x1 + x2 + ____ x4
(C) n1x1 + n2x2x + _____ nuxu/n1 + n2 + ___+ nu
(D) Σn1x/x1
In a symmetrical distribution mean, median and mode, __.
(A) Positive
(B) Greater
(C) Less than
(D) Coincide
The A.M. is greater than mode is equal to __.
(A) +vely
(B) Skewness
(C) Negatively
(D) zero
Range of 5,5,5,5, is __.
(A) 0
(B) 5
(C) 25
(D) None of these
The degree to which numerical data tend to spread about an average value is a__.
(A) Range
(B) variance
(C) Minimum
(D) Dispersion
If y = bx + a the mean deviation of y is__.
(A) S.D. of y
(B) var (x)
(C) S.D. of x
(D) M.D.of x
Absolute sum of deviations is minimum from __.
(A) Coefficient of variance
(B) S.D. of x
(C) Mean
(D) Normal