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MCQOPTIONS
This section includes 71 Mcqs, each offering curated multiple-choice questions to sharpen your Business Statistics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In an hospital in Boston (USA), the number of heart patients who visited cardiologist in 17 days are 11, 12, 15, 18, 17, 12, 14, 15, 16, 17, 18, 13, 19, 14, 18, 13, 20 |
| A. | 15 |
| B. | 14 |
| C. | 16 |
| D. | 15.5 |
| Answer» B. 14 | |
| 2. |
The concept used in calculation of index numbers and where smaller observations must be taken into consideration is called |
| A. | deviation square mean |
| B. | paired mean |
| C. | geometric mean |
| D. | harmonic mean |
| Answer» D. harmonic mean | |
| 3. |
The type of central tendency measures which divides data set into four equal parts is |
| A. | quartiles |
| B. | deciles |
| C. | percentiles |
| D. | multiple pile of data |
| Answer» B. deciles | |
| 4. |
The product A has per unit contribution of 6 with the sold quantity of 120 units, product B has per unit contribution of 8 with sold quantity of 100 units and product C has per unit contribution of 10 with sold quantity of 130 units then the weighted average mean is |
| A. | $7.06 |
| B. | $8.06 |
| C. | $9.06 |
| D. | $10.06 |
| Answer» C. $9.06 | |
| 5. |
The Σxwis divided by Σwis used to calculate |
| A. | weighted arithmetic mean |
| B. | paired arithmetic mean |
| C. | non-paired arithmetic mean |
| D. | square of arithmetic mean |
| Answer» B. paired arithmetic mean | |
| 6. |
The calculation of average which is calculated by pooling the data together from different data sets is classified as |
| A. | geometric mean |
| B. | harmonic mean |
| C. | deviation square mean |
| D. | paired mean |
| Answer» B. harmonic mean | |
| 7. |
The measure of central tendency which is calculated by considering the most frequent occurring value as central value is classified as |
| A. | central mode |
| B. | mode |
| C. | frequent value |
| D. | percent value |
| Answer» C. frequent value | |
| 8. |
The marks of 20 students out of 15 in class test are as 10, 11, 12, 12.5, 13.5, 14, 10, 11, 12, 12.5, 13.5, 14, 8, 9, 9, 8, 10, 11, 11.5, 12.5 then average marks of class is |
| A. | 12.25 |
| B. | 11.25 |
| C. | 13.25 |
| D. | 14.25 |
| Answer» C. 13.25 | |
| 9. |
In the deciles, the central tendency median to be measured must lie in |
| A. | fourth deciles |
| B. | seventh deciles |
| C. | sixth deciles |
| D. | fifth deciles |
| Answer» E. | |
| 10. |
If value of mode is 14 and value of arithmetic mean is 5 then the value of median is |
| A. | 12 |
| B. | 18 |
| C. | 8 |
| D. | 14 |
| Answer» D. 14 | |
| 11. |
In the measure of central tendency, the sample statistic is denoted by |
| A. | Athens letter μ |
| B. | roman letter x̅ |
| C. | Greek letter μ |
| D. | roman letter μ |
| Answer» C. Greek letter μ | |
| 12. |
The value of Σfd is 165, A= 25, and width of class interval is 10, arithmetic mean is 145 then the number of observations are |
| A. | 35 |
| B. | 36 |
| C. | 34 |
| D. | 32 |
| Answer» C. 34 | |
| 13. |
The sample stability and ability to be easily understandable are requirements to measure |
| A. | positive tendency |
| B. | population tendency |
| C. | central tendency |
| D. | sample tendency |
| Answer» D. sample tendency | |
| 14. |
If the frequencies widely varies between different classes, then the measure of central tendency must be used is |
| A. | non-paired arithmetic mean |
| B. | square of arithmetic mean |
| C. | weighted arithmetic mean |
| D. | paired arithmetic mean |
| Answer» D. paired arithmetic mean | |
| 15. |
The measure of central tendency which represents over time multiplicative effects for inflation and compound interest is considered as |
| A. | deviation square mean |
| B. | paired mean |
| C. | geometric mean |
| D. | harmonic mean |
| Answer» D. harmonic mean | |
| 16. |
The service time (in minutes) at airport ticket counter is as 4.5, 5.5, 6, 7, 8, 8.5, 4, 3, 3.5, 2.5, 3.8 then the median of the data is |
| A. | 3.8 |
| B. | 4.5 |
| C. | 4 |
| D. | 4.75 |
| Answer» E. | |
| 17. |
The number of observations are 24 and value of x̅ is 28 then the sum of all the values is |
| A. | −4 |
| B. | 40000% |
| C. | 52 |
| D. | 672 |
| Answer» E. | |
| 18. |
The product W has per unit contribution of 8 with sold quantity of 124 units, the product X has per unit contribution of 5 with the sold quantity of 105 units, product Y has per unit contribution of 9 with sold quantity of 135 units, product Z has per unit contribution of 12 with sold quantity of 140 units then the weighted average mean is |
| A. | $11.75 |
| B. | $10.75 |
| C. | $9.75 |
| D. | $8.75 |
| Answer» E. | |
| 19. |
The properties such as variation, central tendency and shape of distribution of frequency are basis to extract information from |
| A. | extended measures |
| B. | skewed measure |
| C. | ordinal measures |
| D. | descriptive measures |
| Answer» E. | |
| 20. |
The type of central tendency measures which divides data set into 100 equal parts is classified as |
| A. | quartiles |
| B. | deciles |
| C. | percentiles |
| D. | multiple pile of data |
| Answer» D. multiple pile of data | |
| 21. |
In statistics out of 100, the marks of 21 students in final exams are as 90, 95, 95, 94, 90, 85, 84, 83, 85, 81, 92, 93, 82, 78, 79, 81, 80, 82, 85, 76, 85 then mode of the data is |
| A. | 85 |
| B. | 95 |
| C. | 90 |
| D. | 81 |
| Answer» B. 95 | |
| 22. |
In the measure of central tendency, the population parameter is denoted by |
| A. | Greek letter μ |
| B. | roman letter μ |
| C. | Athens letter μ |
| D. | roman letter x̅ |
| Answer» B. roman letter μ | |
| 23. |
If the central tendency is found by using sample data from population then this is classified as |
| A. | tendency statistic |
| B. | average statistic |
| C. | sample statistic |
| D. | population statistic |
| Answer» D. population statistic | |
| 24. |
If the value of three measures of central tendencies median, mean and mode then the distribution is considered as |
| A. | negatively skewed modal |
| B. | triangular model |
| C. | unimodel |
| D. | bimodel |
| Answer» D. bimodel | |
| 25. |
The distribution in which the values of median, mean and mode are not equal is considered as |
| A. | experimental distribution |
| B. | asymmetrical distribution |
| C. | symmetrical distribution |
| D. | exploratory distribution |
| Answer» C. symmetrical distribution | |
| 26. |
If the arithmetic mean is 20 and the harmonic mean is 30 then geometric mean is |
| A. | 14.94 |
| B. | 24.94 |
| C. | 34.94 |
| D. | 44.94 |
| Answer» C. 34.94 | |
| 27. |
The criteria of inferential statistics which considers the sum of squared deviations is classified as |
| A. | central squares criterion |
| B. | outliers square criterion |
| C. | multiple squares criterion |
| D. | least squares criterion |
| Answer» E. | |
| 28. |
If the central tendency is found by using whole population as input data then this is classified as |
| A. | sample statistic |
| B. | population statistic |
| C. | population tendency |
| D. | population parameters |
| Answer» E. | |
| 29. |
The difference of mode and mean is equal to |
| A. | 3(mean-median) |
| B. | 2(mean-median) |
| C. | 3(mean-mode) |
| D. | 2(mode mean) |
| Answer» B. 2(mean-median) | |
| 30. |
The sum of values of data is divided by total number of values is used to calculate |
| A. | arithmetic mean |
| B. | weighted average mean |
| C. | geometric mean |
| D. | harmonic mean |
| Answer» B. weighted average mean | |
| 31. |
The numerical value which shows the tendency around central value of cluster is classified as |
| A. | central tendency |
| B. | cluster tendency |
| C. | group tendency |
| D. | numerical tendency |
| Answer» B. cluster tendency | |
| 32. |
When the data is arranged, the middle value in the set of observations is classified as |
| A. | median |
| B. | mean |
| C. | variance |
| D. | standard deviation |
| Answer» B. mean | |
| 33. |
The marks of Cambridge univerdity students in mathematics test out of 20 are 18, 17, 16, 15, 14, 17, 16, 14, 13, 12, 12, 11, 14, 19, 18 |
| A. | 14 |
| B. | 14.5 |
| C. | 15 |
| D. | 13 |
| Answer» D. 13 | |
| 34. |
At a grocery store, the number of per day sold processed fruits cans in 15 days are 50, 70, 60, 40, 30, 20, 5, 150, 55, 75, 65, 45, 35, 25, 52 then the outliers in observations are |
| A. | 50, 150 |
| B. | 5, 150 |
| C. | 25, 70 |
| D. | 150 |
| Answer» C. 25, 70 | |
| 35. |
The number of observations are 11 and the value of arithmetic mean is 19 then sum of all values is |
| A. | 209 |
| B. | 30 |
| C. | 8 |
| D. | 173 |
| Answer» B. 30 | |
| 36. |
If the mean is 11 and the median is 13 then the value of mode is |
| A. | 15 |
| B. | 13 |
| C. | 11 |
| D. | 17 |
| Answer» E. | |
| 37. |
The type of central tendency measures which divides data set into ten equal parts is classified as |
| A. | percentiles |
| B. | multiple pile of data |
| C. | quartiles |
| D. | deciles |
| Answer» E. | |
| 38. |
The per day wage of 15 employees of different departments is as 620, 640, 750, 850, 650, 720, 730, 785, 630, 740, 900, 880, 780, 690, 850 then the value of x̅ is |
| A. | 647.67 |
| B. | 947.67 |
| C. | 847.67 |
| D. | 747.67 |
| Answer» E. | |
| 39. |
Around the central value of observations, the extent to which the values depart from normal distribution is classified as |
| A. | negative variation |
| B. | positive variation |
| C. | skewness |
| D. | positive trailing |
| Answer» D. positive trailing | |
| 40. |
For the individual observations, the reciprocal of arithmetic mean is called |
| A. | geometric mean |
| B. | harmonic mean |
| C. | deviation square mean |
| D. | paired mean |
| Answer» C. deviation square mean | |
| 41. |
The distribution which has outliers with relatively lower values is considered as |
| A. | experimentally skewed |
| B. | exploratory skewed |
| C. | positively skewed |
| D. | negatively skewed |
| Answer» E. | |
| 42. |
According to percentiles, the median to be measured must lie in |
| A. | 80th |
| B. | 40th |
| C. | 50th |
| D. | 100th |
| Answer» D. 100th | |
| 43. |
If the arithmetic mean is 25 and the harmonic mean is 15 then geometric mean is |
| A. | 17.36 |
| B. | 16.36 |
| C. | 15.36 |
| D. | 19.36 |
| Answer» E. | |
| 44. |
The value of Σfd is 250, A= 25, number of observations are 12 and width of class interval is 6 then arithmetic mean is |
| A. | 25 |
| B. | 250 |
| C. | 150 |
| D. | 275 |
| Answer» D. 275 | |
| 45. |
The harmonic mean, arithmetic mean and geometric mean are all considered as |
| A. | mathematical averages |
| B. | population averages |
| C. | sample averages |
| D. | extended measures |
| Answer» B. population averages | |
| 46. |
The frequency distribution whose most values are dispersed to the left or right of the mode is classified as |
| A. | skewed |
| B. | explored |
| C. | bimodal |
| D. | unimodal |
| Answer» B. explored | |
| 47. |
The types of descriptive measures includes |
| A. | measures of skewness |
| B. | measures of dispersion |
| C. | measures of central tendency |
| D. | all of above |
| Answer» E. | |
| 48. |
The quartiles, median, percentiles and deciles are measures of central tendency classified as |
| A. | paired average |
| B. | deviation averages |
| C. | positioned averages |
| D. | central averages |
| Answer» D. central averages | |
| 49. |
Considering the probability distribution, if the mode is greater than median then the distribution is classified as |
| A. | variable model |
| B. | right skewed |
| C. | left skewed |
| D. | constant model |
| Answer» C. left skewed | |
| 50. |
The value of Σfx is 300, A= 35, number of observations are 15 and width of class interval is 5 then arithmetic mean is |
| A. | 135 |
| B. | 145 |
| C. | 150 |
| D. | 235 |
| Answer» B. 145 | |