(A) Zero
(B) Less than zero
(C) More than zero
(D) Great
Tag: Statistics Multiple Choice Questions
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
The two regression co-efficient always have the __ sign.
(A) Different
(B) Same
(C) +ve
(D) None of these
A model is linear if it is linear in the dependent variable and also in __.
(A) Parameter
(B) Independent variable
(C) Error term
(D) Non of these
If y = 2 + 6x then value of y intercept is __.
(A) 6
(B) 2
(C) 0
(D) None