MCQOPTIONS
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MCQOPTIONS
This section includes 148 Mcqs, each offering curated multiple-choice questions to sharpen your Master of Commerce (MDotcom) knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If change in one variable results a corresponding change in the other variable, then the variables are......................... |
| A. | Correlated |
| B. | Not correlated |
| C. | Any of the above |
| D. | None of the above |
| Answer» B. Not correlated | |
| 2. |
If all the points of a scatter diagram lie on a straight line falling from left upper corner to the right bottom corner, the correlation is called................... |
| A. | Zero correlation |
| B. | High degree of positive correlation |
| C. | Perfect negative correlation |
| D. | Perfect positive correlation |
| Answer» D. Perfect positive correlation | |
| 3. |
The techniques which provide the decision maker a systematic and powerful means of analysis to explore policies for achieving predetermined goals are called.......................... |
| A. | Correlation techniques |
| B. | Mathematical techniques |
| C. | Quantitative techniques |
| D. | None of the above |
| Answer» D. None of the above | |
| 4. |
When the values of two variables move in the same direction, correlation is said to be ............................ |
| A. | Linear |
| B. | Non-linear |
| C. | Positive |
| D. | Negative |
| Answer» D. Negative | |
| 5. |
When the values of two variables move in the opposite directions, correlation is said to be ............................ |
| A. | Linear |
| B. | Non-linear |
| C. | Positive |
| D. | Negative |
| Answer» E. | |
| 6. |
When the amount of change in one variable leads to a constant ratio of change in the other variable, then correlation is said to be ......................... |
| A. | Linear |
| B. | Non-linear |
| C. | Positive |
| D. | Negative |
| Answer» B. Non-linear | |
| 7. |
If all the dots of a scatter diagram lie on a straight line falling from left bottom corner to the right upper corner, the correlation is called.................. |
| A. | Zero correlation |
| B. | High degree of positive correlation |
| C. | Perfect negative correlation |
| D. | Perfect positive correlation |
| Answer» E. | |
| 8. |
A high degree of +ve correlation between availability of rainfall and weight of weight of people is: |
| A. | A meaningless correlation |
| B. | A spurious correlation |
| C. | A nonsense correlation |
| D. | All of the above |
| Answer» E. | |
| 9. |
If the ratio of change in one variable is equal to the ratio of change in the other variable, then the correlation is said to be ..................... |
| A. | Linear |
| B. | Non-linear |
| C. | Curvilinear |
| D. | None of these |
| Answer» B. Non-linear | |
| 10. |
If all the points of a dot chart lie on a straight line vertical to the X-axis, then coefficient of correlation is ................... |
| A. | 0 |
| B. | +1 |
| C. | 1 |
| D. | None of these |
| Answer» B. +1 | |
| 11. |
If all the points of a dot chart lie on a straight line parallel to the X-axis, it denotes .................................of correlation. |
| A. | High degree |
| B. | Low degree |
| C. | Moderate degree |
| D. | Absence |
| Answer» E. | |
| 12. |
If the dots in a scatter diagram fall on a narrow band, it indicates a ....................... degree of correlation. |
| A. | Zero |
| B. | High |
| C. | Low |
| D. | None of these |
| Answer» C. Low | |
| 13. |
The magnitude of the difference between observed frequencies and expected frequencies is called ....................... |
| A. | F value |
| B. | Z value |
| C. | t value |
| D. | Chi-square value |
| Answer» E. | |
| 14. |
If the discrepancy between observed and expected frequencies are greater, ......................... will be the chi-square value. |
| A. | Greater |
| B. | Smaller |
| C. | Zero |
| D. | None of these |
| Answer» B. Smaller | |
| 15. |
If both the variables are varying in the same direction, the correlation is said to be |
| A. | Positive correlation |
| B. | Negative correlation |
| C. | Partial correlation |
| D. | None of the above |
| Answer» B. Negative correlation | |
| 16. |
The value of the correlation coefficient ranges from |
| A. | 0 to 1 |
| B. | -1 to 0 |
| C. | -1 to 1 |
| D. | 0 to 10 |
| Answer» D. 0 to 10 | |
| 17. |
If both variables are varying in the opposite direction, it is called: |
| A. | Partial correlation |
| B. | Positive correlation |
| C. | High degree of correlation |
| D. | Negative correlation |
| Answer» E. | |
| 18. |
The dividing lines between random and non-random deviations from mean of the distribution are known as .......................... |
| A. | Upper Control Limit |
| B. | Lower Control Limit |
| C. | Control Limits |
| D. | Two sigma limit |
| Answer» D. Two sigma limit | |
| 19. |
In a correlation analysis, if r= 0, then we may say that there is .................. between variables. |
| A. | No correlation |
| B. | Linear correlation |
| C. | Perfect correlation |
| D. | none of these |
| Answer» B. Linear correlation | |
| 20. |
The algebraic sum of the deviations of a set of a n values from their arithmetic mean is |
| A. | n |
| B. | 0 |
| C. | 1 |
| D. | -1 |
| Answer» C. 1 | |
| 21. |
The mid point of a class is obtained by |
| A. | adding upper and lower limit |
| B. | deducting upper limit from the lower limit |
| C. | dividing the diference of upper and lower limit by 2 |
| D. | ading upper and lower limit and dividing by 2 |
| Answer» E. | |
| 22. |
Standard deviation is |
| A. | absolute measure |
| B. | relative measure |
| C. | both |
| D. | none |
| Answer» B. relative measure | |
| 23. |
In a business house, statistics decreases the: |
| A. | risk |
| B. | uncertainty |
| C. | profit |
| D. | sales |
| Answer» C. profit | |
| 24. |
Coefficient of variation is a relative measure of |
| A. | mean |
| B. | standard deviation |
| C. | range |
| D. | dispersion |
| Answer» E. | |
| 25. |
Statistical results are all the time: |
| A. | qualitative one |
| B. | an average |
| C. | an exact result |
| D. | an isolated number |
| Answer» C. an exact result | |
| 26. |
Cartograph is a: |
| A. | line diagram |
| B. | bar diagram |
| C. | map |
| D. | circle |
| Answer» D. circle | |
| 27. |
In scatter diagram, if most of the points lie in the first and third quadrants, then coefficient of correlation is: |
| A. | Negative |
| B. | Positive |
| C. | Zero |
| D. | All the above |
| Answer» C. Zero | |
| 28. |
The arithmetic mean between 5 + 3 and 5 - 3 is: |
| A. | 3 |
| B. | 3 |
| C. | 5 |
| D. | 5 |
| Answer» D. 5 | |
| 29. |
Economics cannot be a successful subject without: |
| A. | business |
| B. | commerce |
| C. | statistics |
| D. | management |
| Answer» D. management | |
| 30. |
The harmonic mean of 4 and 6 is: |
| A. | 4.5 |
| B. | 4.8 |
| C. | 5 |
| D. | 5.5 |
| Answer» C. 5 | |
| 31. |
Difference between highest and lowest value called: |
| A. | standard deviation |
| B. | Mean Deviation |
| C. | Quartile Deviation |
| D. | Range |
| Answer» E. | |
| 32. |
The geometric mean of two numbers is 16. If one number is 32, the other number is: |
| A. | 4 |
| B. | 6 |
| C. | 8 |
| D. | 10 |
| Answer» D. 10 | |
| 33. |
Open-end classes are those in which |
| A. | lower limit of the first class and the upper limit of the last class are known |
| B. | lower limit of the first class and the upper limit of the last class are not known |
| C. | only lower limit of the first class are known |
| D. | none of the above |
| Answer» B. lower limit of the first class and the upper limit of the last class are not known | |
| 34. |
Statistics deals only with |
| A. | quantitative characteristics |
| B. | qualitative characteristics |
| C. | both (a) and (b) |
| D. | none of the above |
| Answer» B. qualitative characteristics | |
| 35. |
Relationship of mean, median and mode according to Karl Pearson is |
| A. | mode = 2median 3mean |
| B. | median = 2mode 2mean |
| C. | mode = 3median 2 mean |
| D. | none of the above |
| Answer» D. none of the above | |
| 36. |
The value in a series of observations which occurs with the greatest frequency is called: |
| A. | median |
| B. | mean deviation |
| C. | standard deviation |
| D. | mode |
| Answer» E. | |
| 37. |
Interquartile range is the difference between |
| A. | the highest value and the lowest value |
| B. | median and mean |
| C. | the third quartile and the first quartile |
| D. | none of the above |
| Answer» D. none of the above | |
| 38. |
Mean deviation is |
| A. | a relative measures |
| B. | an absolute measures |
| C. | both (a) and (b) |
| D. | none of the above |
| Answer» C. both (a) and (b) | |
| 39. |
The measures of dispersion can never be |
| A. | positive |
| B. | negative |
| C. | zero |
| D. | none of the above |
| Answer» C. zero | |
| 40. |
When the outcome of one event does not affect the outcome of the other it is said to be |
| A. | Dependent event |
| B. | Independent event |
| C. | Mutually exclusive event |
| D. | Equally likely events |
| Answer» C. Mutually exclusive event | |
| 41. |
Which average is affected most by extreme observation? |
| A. | Mode |
| B. | Median |
| C. | Geometric mean |
| D. | None of the above |
| Answer» C. Geometric mean | |
| 42. |
Which of the following is least when deviations are taken from the median |
| A. | range |
| B. | quartile deviation |
| C. | mean deviation |
| D. | standard deviation |
| Answer» D. standard deviation | |
| 43. |
A geometric mean of two numbers 12 and 27 is |
| A. | 9 |
| B. | 12 |
| C. | 18 |
| D. | 21 |
| Answer» D. 21 | |
| 44. |
In a box, there are 8 red,7 blue and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green? |
| A. | 1/3 |
| B. | 3/4 |
| C. | 7/19 |
| D. | 9/21 |
| Answer» B. 3/4 | |
| 45. |
The total of all the observations divided by the number of observations is called |
| A. | Arithmetic mean |
| B. | Geometric mean |
| C. | Median |
| D. | Harmonic mean |
| Answer» B. Geometric mean | |
| 46. |
Statistics can be best considered as |
| A. | An art |
| B. | Science |
| C. | Both art as well as science |
| D. | None of the above |
| Answer» D. None of the above | |
| 47. |
Lowest value of variance can be |
| A. | 1 |
| B. | -1 |
| C. | 2 |
| D. | 0 |
| Answer» E. | |
| 48. |
The standard deviation and variance are _______ of origin? |
| A. | Multiplied |
| B. | Variance |
| C. | Independent |
| D. | None of the above |
| Answer» D. None of the above | |
| 49. |
Statistics is helpful in: |
| A. | formulating and testing hypothesis |
| B. | prediction |
| C. | formulation of suitable policies |
| D. | all of the above |
| Answer» E. | |
| 50. |
Statistics can be best considered as: |
| A. | a science |
| B. | an art |
| C. | both science as well as art |
| D. | neither science nor art |
| Answer» D. neither science nor art | |