MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The first moment about means is always_________________? |
| A. | Zero |
| B. | 1 |
| C. | Negative |
| D. | None of these |
| Answer» B. 1 | |
| 2. |
The first hand and unorganized form of data is called_______________? |
| A. | Secondary data |
| B. | Organized data |
| C. | Primary data |
| D. | None of these |
| Answer» D. None of these | |
| 3. |
The degree of peakedness is called__________________? |
| A. | Dispersion |
| B. | Skewness |
| C. | Symmetry |
| D. | Kurtosis |
| Answer» E. | |
| 4. |
The data which have already been collected by some one are called____________? |
| A. | Raw data |
| B. | Array data |
| C. | Secondary data |
| D. | Fictitious data |
| Answer» D. Fictitious data | |
| 5. |
The data collected by NADRA to issue National Identity cards are______________? |
| A. | Official data |
| B. | un-official data |
| C. | Primary data |
| D. | Secondary data |
| Answer» D. Secondary data | |
| 6. |
The Coefficient of Skewness is always zero for ____________ distribution? |
| A. | Symmetrical |
| B. | Skewed |
| C. | All of above |
| D. | None of these |
| Answer» B. Skewed | |
| 7. |
The calculation of mean and variance is based on______________? |
| A. | Small values only |
| B. | Large values only |
| C. | Extreme values only |
| D. | All values |
| Answer» E. | |
| 8. |
The average of first n natural numbers is_______________? |
| A. | n+12 |
| B. | n2 |
| C. | All of the above |
| D. | None of these |
| Answer» B. n2 | |
| 9. |
The average monthly production of a factory for the first 8 months is 2,500 units, and for the next 4 months the production was 1,200 units. The average monthly production of the year will be_____________? |
| A. | 2066.55 units |
| B. | 5031.10 units |
| C. | 4021.12 units |
| D. | 3012.11 units |
| Answer» B. 5031.10 units | |
| 10. |
The algebraic sum of deviations from mean is_____________? |
| A. | Maximum |
| B. | Zero |
| C. | Minimum |
| D. | Undefined |
| Answer» C. Minimum | |
| 11. |
Second moment about mean is_______________? |
| A. | Standard Deviation |
| B. | Variance |
| C. | Coefficient of Variation |
| D. | None of these |
| Answer» C. Coefficient of Variation | |
| 12. |
Results obtained by counting are_____________? |
| A. | Continuous |
| B. | Discrete |
| C. | Both (a) and (b) |
| D. | None of these |
| Answer» C. Both (a) and (b) | |
| 13. |
Questionnaire survey method is used to collect____________? |
| A. | Secondary data |
| B. | Qualitative variable |
| C. | Primary data |
| D. | None of these |
| Answer» D. None of these | |
| 14. |
Quartile Coefficient of skewness lies between______________? |
| A. | 0 and 1 |
| B. | -1 and +1 |
| C. | -1 and 0 |
| D. | None of these |
| Answer» C. -1 and 0 | |
| 15. |
Proportion becomes percentage when multiplied by___________? |
| A. | 1/10 |
| B. | 1/1000 |
| C. | 1/100 |
| D. | 100 |
| Answer» E. | |
| 16. |
Primary data and _____________ data are same? |
| A. | Grouped |
| B. | Secondary data |
| C. | Ungrouped |
| D. | None of these |
| Answer» D. None of these | |
| 17. |
Population census is conducted through_______________? |
| A. | Sample survey |
| B. | Accounting |
| C. | Investigation |
| D. | Complete enumeration |
| Answer» E. | |
| 18. |
Most of the recent developments in statistics arose to meet the needs of ____________? |
| A. | Biology |
| B. | Three reasons |
| C. | Hands |
| D. | Physics |
| Answer» B. Three reasons | |
| 19. |
Mean Deviation, Variance and Standard Deviation of the values 4, 4, 4, 4, 4, 4 is_________________? |
| A. | 4 |
| B. | 8 |
| C. | 2 |
| D. | 12 |
| E. | 0 |
| Answer» F. | |
| 20. |
Marital status of an individual is the example of___________? |
| A. | Attribute |
| B. | Discrete variable |
| C. | Continuous variable |
| D. | Constant |
| Answer» B. Discrete variable | |
| 21. |
making a entrance slip in service hospital is the method of collection of data by______________? |
| A. | Registration |
| B. | Entry |
| C. | Correspondents |
| D. | none of these |
| Answer» B. Entry | |
| 22. |
Major area of statistics today is concerned with drawing of conclusions from__________? |
| A. | Samples |
| B. | Primary |
| C. | Two |
| D. | Complete study |
| Answer» B. Primary | |
| 23. |
Lowest value of variance can be________________? |
| A. | 1 |
| B. | -1 |
| C. | 3 |
| D. | -3 |
| E. | 0 |
| Answer» F. | |
| 24. |
Life of a T.V picture tube is a:___________? |
| A. | Discrete variable |
| B. | Continuous variable |
| C. | Qualitative variable |
| D. | Constant |
| Answer» C. Qualitative variable | |
| 25. |
Life of a T.V picture tube is a____________? |
| A. | Discrete variable |
| B. | Continuous variable |
| C. | Qualitative variable |
| D. | Constant |
| Answer» C. Qualitative variable | |
| 26. |
Lack of symmetry is called_______________? |
| A. | Absolute Dispersion |
| B. | Relative Dispersion |
| C. | Skewness |
| D. | Non of these |
| Answer» D. Non of these | |
| 27. |
____________ is used to criterion of consistency i.e for consistence performance? |
| A. | Range |
| B. | Standard Deviation |
| C. | Coefficient of Variation |
| D. | Mean Deviation |
| Answer» D. Mean Deviation | |
| 28. |
_____________is used to compare the variation or dispersion in two or more sets of data even though they are measured in different units? |
| A. | Range |
| B. | Standard Deviation |
| C. | Coefficient of Variation |
| D. | Mean Deviation |
| Answer» D. Mean Deviation | |
| 29. |
_____________is the measure of average which can have more than one value? |
| A. | Mean |
| B. | Median |
| C. | Harmonic Mean |
| D. | Mode |
| E. | Geometric Mean |
| Answer» E. Geometric Mean | |
| 30. |
______________is based on all observations of data? |
| A. | Median |
| B. | Mode |
| C. | Mean |
| D. | None of these |
| Answer» D. None of these | |
| 31. |
In uni-model distribution, if mode is less than mean_______________? |
| A. | Symmetrical |
| B. | Normal |
| C. | Positively Skewed |
| D. | Negatively Skewed |
| Answer» D. Negatively Skewed | |
| 32. |
In the plural sense, statistic means____________? |
| A. | Methods |
| B. | Data |
| C. | Science |
| D. | Meteorology |
| Answer» B. Data | |
| 33. |
In statistics, a sample means______________? |
| A. | A portion of the sample |
| B. | A portion of the population |
| C. | all the items under investigation |
| D. | none of the above |
| Answer» C. all the items under investigation | |
| 34. |
In statistics, conducting a survey means_____________? |
| A. | Collecting information from elements |
| B. | Making mathematical calculations |
| C. | Drawing graphs and pictures |
| D. | None of the above |
| Answer» B. Making mathematical calculations | |
| 35. |
In statistics, a sample means__________? |
| A. | A portion of the sample |
| B. | A portion of the population |
| C. | All the items under investigation |
| D. | None of the above |
| Answer» C. All the items under investigation | |
| 36. |
In Statistics, a population consists of:_____________? |
| A. | All People living in a country |
| B. | All People living in the are under study |
| C. | All subjects or objects whose characteristics are being studied |
| D. | None of the above |
| Answer» D. None of the above | |
| 37. |
In natural Sciences, statistics____________. |
| A. | Has no role |
| B. | Average |
| C. | Plays an Important role |
| D. | Study |
| Answer» D. Study | |
| 38. |
In inferential statistics, we study____________? |
| A. | the methods to make decisions about population based on sample results |
| B. | how to make decisions about mean, median, or mode |
| C. | how a sample is obtained from a population |
| D. | None of the above |
| Answer» B. how to make decisions about mean, median, or mode | |
| 39. |
In descriptive statistics, we study: |
| A. | The description of decision making process |
| B. | The methods for organizing, displaying, and describing data |
| C. | How to describe the probability distribution |
| D. | None of the above |
| Answer» C. How to describe the probability distribution | |
| 40. |
In descriptive statistics, we study______________? |
| A. | The description of decision making process |
| B. | The methods for organizing, displaying, and describing data |
| C. | How to describe the probability distribution |
| D. | None of the above |
| Answer» C. How to describe the probability distribution | |
| 41. |
In a week the prices of a bag of rice were 350 ,280, 340, 290, 320, 310, 300. The range is_____________? |
| A. | 60 |
| B. | 90 |
| C. | 70 |
| D. | 100 |
| Answer» D. 100 | |
| 42. |
In a frequency distribution the last cumulative frequency is 500. Q3 must lie in_____________? |
| A. | 275th item |
| B. | 375th item |
| C. | 150th item |
| D. | 175th item |
| Answer» C. 150th item | |
| 43. |
In a frequency distribution the last cumulative frequency is 300, Median shall lie in____________? |
| A. | 140th item |
| B. | 130th item |
| C. | 160th item |
| D. | 150th item |
| Answer» E. | |
| 44. |
In a distribution of 10, 20, 30, 40, 50, the x is 30, the sum of deviations from x will be:________? |
| A. | 60 |
| B. | 30 |
| C. | Zero |
| D. | 15 |
| Answer» D. 15 | |
| 45. |
If Y=−8X − 5 and SD of X is 3, then SD of Y is _______________? |
| A. | 8 |
| B. | 3 |
| C. | 5 |
| D. | 24 |
| E. | None |
| Answer» E. None | |
| 46. |
If x is 4 and the distribution is 2, 3, 4, 5, 6, the sum of squared deviations from the x will be______________? |
| A. | 8 |
| B. | 10 |
| C. | 6 |
| D. | 12 |
| Answer» C. 6 | |
| 47. |
If X and Y are independent then SD (X − Y) is________________? |
| A. | SD(X)−SD(Y) |
| B. | SD(X)+SD(Y) |
| C. | SD(X)+SD(Y)−−−−−−−−−−−−−−√ |
| D. | Var(X)+Var(Y)−−−−−−−−−−−−−−−√ |
| Answer» C. SD(X)+SD(Y)−−−−−−−−−−−−−−√ | |
| 48. |
If the third moment about mean is zero then distribution is_______________? |
| A. | Mesokurtic |
| B. | Positively Skewed |
| C. | Symmetrical |
| D. | Negatively Skewed |
| Answer» D. Negatively Skewed | |
| 49. |
If the standard deviation of a population is 9, the population variance is_____________? |
| A. | 9 |
| B. | 3 |
| C. | 21 |
| D. | 81 |
| Answer» E. | |
| 50. |
If the standard deviation of the values 2, 4, 6, 8 is 2.58, then the standard deviation of the values 4, 6, 8, 10 is_______________? |
| A. | 0 |
| B. | 2.58 |
| C. | 5 |
| D. | 4.66 |
| E. | 2.33 |
| Answer» C. 5 | |