The range of partial correlation coefficient?
A. 0to1
B. -1to1
C. 0to-1
D. 0 to infinity
In regression the sign of (B’s) and (r)?
A. Same
B. Change
C. Differ
D. None of these
If (Bxy>1)then (Byx)?
A. Greater than 1
B. Less than 1
C. Remain same
D. No effect
Regression analysis is an _____?
Absolute measure
Relative measure
Both a and b
None of these
Correlation coefficient is ____?
A. Absolute measure
B. Relative measure
C. Both a and b
D. None of the above
When r is zero than both regression coefficients are ______?
A. 0
B. 1
C. 2
D. Infinity
The mode of the data 2,4,6,6,6,8 is _______?
A. 4
B. 6
C. 8
D. 30
We must arrange the data before calculating _______?
A. Mean
B. Median
C. Mode
D. G.M.
When in hypothesis testing (alpha) increases (1-beta)?
A. Decrease
B. Equal
C. Increases
D. None of these
