Quantitative Techniques For Business Set 3
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This set of Quantitative Techniques for Business Multiple Choice Questions & Answers (MCQs) focuses on Quantitative Techniques For Business Set 3
Q1 | In a regression line of Y on X, the variable X is known as ..................................
- explanatory variable
- independent variable
- regressor
- all the above
Q2 | If a constant 30 is subtracted from each of the value of X and Y , the regression coefficient is..........................
- reduced by 30
- increased by 30
- not changed
- 1/30th of the original regression
Q3 | In .........................regression, only one independent variable is used to explain the dependentvariable.
- linear
- multiple
- scatter diagram
- none of these
Q4 | If the correlation between the two variables , X and Y is negative, the regression coefficient ofY on X is .............................
- zero
- positive
- negative
- not certain
Q5 | The arithmetic mean of bxy and byx is ..........................
- equal to one
- greater than r
- francis galton
- none of these
Q6 | The regression coefficient and correlation coefficient of two variables will be the same, if their.................... are same.
- standard deviation
- arithmetic mean
- mean deviation
- none of these
Q7 | If the sign of regression coefficient bxy is negative, then the sign of regression coefficient byx willbe ........................
- positive
- negative
- none of these
Q8 | The square root of coefficient of determination is ...................
- coefficient of correlation
- coefficient of regression
- coefficient of variation
- none of these
Q9 | While analysing the relationship between variables, independent variable is alsocalled..................................
- explained variable
- explanatory variable
- variable
- none of these
Q10 | Dependent variable is also called ............................
- explained variable
- explanatory variable
- 4.0
- 0.4
Q11 | If one regression coefficient is positive, the other is .......................
- positive
- negative
- zero
- 1
Q12 | The arithmetic mean of bxy and byx is .............................
- equal to 1
- equal to 0
- greater than r
- less than r
Q13 | .............................. refers to the chance of happening or not happening of an event.
- regression
- probability
- correlation
- none of these
Q14 | The numerical value given to the likelyhood of the occurrence of an event is called................
- correlation
- regression
- probability
- none of these
Q15 | Sample point is also called .........................
- sample space
- elementary outcome
- probability
- none of these
Q16 | The result of a random experiment is called .................................
- sample space
- event
- probability
- none of these
Q17 | ............................ has two or more outcomes which vary in an unpredictable manner from trial to trialwhen conducted under uniform conditions.
- experiment
- random experiment
- probability
- none of these
Q18 | An event whose occurrence is inevitable is called ......................................
- sure event
- impossible event
- uncertain event
- none of these
Q19 | An event whose occurrence is impossible, is called ......................
- sure event
- impossible event
- uncertain event
- none of these
Q20 | An event whose occurrence is neither sure nor impossible, is called ...........................
- sure event
- impossible event
- uncertain event
- none of these
Q21 | A set of events are said to be ...................... , if the occurrence of one of them excludes thepossibility of the occurrence of the other.
- mutually exclusive
- not mutually exclusive
- independent
- none of them
Q22 | ....................... refers to the arrangement of objects in a definite order.
- combination
- permutation
- independent
- none of them
Q23 | Selection of objects without considering their order is called ...................................
- combination
- permutation 94. 12c12 = ................
- independent
- none of them