Quantitative Techniques For Business Set 2
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This set of Quantitative Techniques for Business Multiple Choice Questions & Answers (MCQs) focuses on Quantitative Techniques For Business Set 2
Q1 | Coefficient of correlation is independent of ........................................
- origin
- scale
- both
- none
Q2 | When r = -1, we may say that, there is ..........................
- perfect negative correlation
- high degree of negative correlation
- 0.1
- 2
Q3 | If the ratio of change in one variable is equal to the ratio of change in the other variable, thecorrelation is said to be ..................................
- linear
- curvi-linear
- non-linear
- none of these
Q4 | If the plotted points of a scatter diagram fall on a narrow band, it indicates a. ............degree ofcorrelation.
- zero
- low
- high
- none of these
Q5 | If r =0.9, coefficient of determination is .........................
- 9%
- 90%
- absence
- none of these
Q6 | If plotted points in a scatter diagram lie on a straight line vertical to the Y-axis, then r=.........
- +1
- 0
- -1
- none of these
Q7 | ................................is the geometric mean of two regression coefficients.
- coefficient of correlation
- coefficient of standered deviation
- arithmetic mean
- coefficient of variation
Q8 | If dots in a scatter diagram are lie in a haphazard manner, then r= .......................
- 0
- +1
- -1
- none of these
Q9 | Product moment correlation was developed by .......................
- karl pearson
- charles edward spearman
- kelly
- none of these
Q10 | If m is the coefficient of correlation, then the value of m2 is known as .................
- coefficient of alienation
- coefficient of determination
- coefficient of non-determiantion
- none of these
Q11 | If m is the correlation coefficient, then the quantity (1-m2) is called ......................
- coefficient of determination
- coefficient of non-determination
- coefficient of alienation
- none of these
Q12 | The coefficient of correlation between two variables, X and Y , will have negative sign when……
- x is increasing, y is decreasing
- x is decreasing, y is increasing
- any one of the above
- none of these
Q13 | Coefficient of concurrent deviation depends on ..........................
- magnitude of deviation
- direction of deviation
- both a and b
- none of these
Q14 | ............................ refers to analysis of average relationship between two variables to provide amechanism for prediction.
- correlation
- regression
- average
- none of these
Q15 | The two regression lines coincide each other when r = .......................
- 0
- -1
- +1
- none of these
Q16 | The two regression lines are mutually perpendicular when r = ..............
- 0
- -1
- +1
- none of these
Q17 | byx is the regression coefficient of regression equation ...........................
- y on x
- x on y
- none of these
Q18 | The signs of regression coefficients will be .......................
- different
- same
- none of these
Q19 | The signs of correlation coefficient and regression coefficient are ............................
- different
- same
- none of these
Q20 | Scatter diagram of the various values of ( X, Y) gives the idea about .......................
- regression model
- distribution of errors
- functional relationship
- none of the above
Q21 | If X and Y are independent , the value of regression coefficient byx = ....................
- 1
- 0
- greater than 1
- any negative value
Q22 | bxy x byx = ..............................
- coefficient of regression
- coefficient of regression
- both
- none
Q23 | If X and Y are two variables, there can be at most ..........................
- three regression lines
- two regression lines
- one regression line
- infinite number of regression lines
Q24 | Geometric mean of regression coefficients will be ..............................
- coefficient of correlation
- coefficient of determination
- coefficient of variation
- none of these