(A) Normal because is always approximately normally distributed
(B) Normal because the sample size is small in comparison to the
population size
(C) Normal because of the central limit theorem
(D) None of these alternatives is correct.
Tag: Statistics Mcqs With Answers
Least square regression line always passes through __.
(A) (x,y)
(B) (X,Y)
(C) (X,Z)
(D) x/y
The regression co-efficient are __ origin.
(A) Dependent
(B) Independent
(C) Scale
(D) Both
When the two regression lines coincide there r is __.
(A) Zero
(B) Less than zero
(C) More than zero
(D) Great
Regression co-efficient is denoted by__.
(A) by
(B) byx
(C) bzx
(D) m
Correlation coefficient lies between__.
(A) 0 ≤ r ≤ 1
(B) 0 ≤ r ≤ -1
(C) -1 ≤ r ≤ 1
(D) 1 ≤ r ≤ 0
Which of the following can never be taken as coefficient of correlation is __.
(A) -99
(B) .99
(C) 0
(D) √3
If r, between u = x and y = -x is __.
(A) +1
(B) -1
(C) 0
(D) Non of these