Correlation coefficient is _________ of origin and unit of measurement?

Related Mcqs:

1. Correlation coefficient lies between__________________?

   A. 0 ≤ r ≤ 1
   B. 0 ≤ r ≤ -1
   C. -1 ≤ r ≤ 1
   D. 1 ≤ r ≤ 0

2. Which of the following can never be taken as coefficient of correlation is _____________?

   A. -99
   B. .99
   C. 0
   D. √3

3. Correlation coefficient is ___________ with respect to x and y?

   A. +vely
   B. Non-normal
   C. Symmetrical
   D. Skewed

4. If x and y are Independent to each other the coefficient of correlation is _____________?

   A. -1
   B. +1
   C. .6
   D. 0

5. Correlation coefficient is__________?

   A. Absolute measure
   B. Relative measure 
   C. Both a and b
   D. None of the above

   Submitted by: Nimra Shaheen

6. Arithmetic mean is _________ by change of origin and scale of measurement?

   A. Vary
   B. Negative
   C. Affected
   D. Not affected

7. In correlation, both variables are______________?

   A. Random
   B. Fixed
   C. Non-random
   D. Experimental

8. Correlation is _____________ of regression coefficients?

   A. A.M.
   B. G.M.
   C. M.D.
   D. H.M.

9. The Spearman Rank-Correlation test requires that the______________?

   A. Data must be measured on the same scale
   B. Data should be of ordinal scale at least
   C. Data must be distribution at least approximately as a t-distribution
   D. Data must be from two independent samples

10. The regression co-efficient are _________ origin?

    A. Dependent
    B. Independent
    C. Scale
    D. Both