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 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 | |
| 2. |
Arithmetic Mean is___________affected by extreme values? |
| A. | Not |
| B. | Highly |
| C. | Less |
| D. | None of these |
| Answer» C. Less | |
| 3. |
Village Patwari collecting the data about cotton crops is the example of_____________? |
| A. | variable |
| B. | Constant |
| C. | Primary data |
| D. | Secondary data |
| Answer» D. Secondary data | |
| 4. |
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 | |
| 5. |
If any of the value in data set is negative then it is impossible to compute:_____________? |
| A. | Arithmetic Mean |
| B. | Harmonic Mean |
| C. | Geometric Mean |
| D. | Mode |
| E. | Median |
| Answer» D. Mode | |
| 6. |
To find the average speed of a journey which is the appropriate measure of central tendency? |
| A. | Mean |
| B. | Geometric Mean |
| C. | Harmonic Mean |
| D. | Weighted Mean |
| E. | Mode |
| Answer» D. Weighted Mean | |
| 7. |
Statistic is a numerical quantity, which is calculated from? |
| A. | Population |
| B. | Sample |
| C. | Data |
| D. | Observations |
| Answer» C. Data | |
| 8. |
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 | |
| 9. |
Statistics Laws are true________________? |
| A. | In each case |
| B. | Average |
| C. | Facts |
| D. | Field |
| Answer» C. Facts | |
| 10. |
The most repeated (popular) value in a data set is called___________? |
| A. | Median |
| B. | Mean |
| C. | Mode |
| D. | Geometric Mean |
| E. | Harmonic Mean |
| Answer» D. Geometric Mean | |
| 11. |
The sum of values divided by their number is called___________? |
| A. | Median |
| B. | Harmonic Mean |
| C. | Mean |
| D. | Mode |
| E. | None of these |
| Answer» D. Mode | |
| 12. |
A Constant can assume _______ value? |
| A. | One |
| B. | Four |
| C. | More than value |
| D. | Resindent |
| Answer» B. Four | |
| 13. |
Age of a shopkeeper is the example of___________? |
| A. | Qualitative |
| B. | Quantitative data |
| C. | Variable data |
| D. | Continuous data |
| Answer» E. | |
| 14. |
Variance is always calculated from___________? |
| A. | Mean |
| B. | Variance |
| C. | Geometric Mean |
| D. | Median |
| E. | Mode |
| Answer» B. Variance | |
| 15. |
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 | |
| 16. |
___________ data are collected for the first time. |
| A. | Research |
| B. | Statistical |
| C. | Secondary |
| D. | Primary |
| Answer» E. | |
| 17. |
Identify the attribute? |
| A. | Blood group |
| B. | Blood Pressure |
| C. | Temperature of room |
| D. | Religions of people of a country |
| Answer» E. | |
| 18. |
Proportion becomes percentage when multiplied by___________? |
| A. | 1/10 |
| B. | 1/1000 |
| C. | 1/100 |
| D. | 100 |
| Answer» E. | |
| 19. |
Marital status of an individual is the example of___________? |
| A. | Attribute |
| B. | Discrete variable |
| C. | Continuous variable |
| D. | Constant |
| Answer» B. Discrete variable | |
| 20. |
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 | |
| 21. |
In natural Sciences, statistics____________. |
| A. | Has no role |
| B. | Average |
| C. | Plays an Important role |
| D. | Study |
| Answer» D. Study | |
| 22. |
The sum of squares of deviation is least if measure from__________? |
| A. | Mean |
| B. | Mode |
| C. | Median |
| D. | Variance |
| Answer» B. Mode | |
| 23. |
The first moment about means is always_________________? |
| A. | Zero |
| B. | 1 |
| C. | Negative |
| D. | None of these |
| Answer» B. 1 | |
| 24. |
If mean is 25 and standard deviation is 5 then C.V (Coefficient of variation) is_______________? |
| A. | 100% |
| B. | 25% |
| C. | 20% |
| D. | None of these |
| Answer» D. None of these | |
| 25. |
In uni-model distribution, if mode is less than mean_______________? |
| A. | Symmetrical |
| B. | Normal |
| C. | Positively Skewed |
| D. | Negatively Skewed |
| Answer» D. Negatively Skewed | |
| 26. |
The measure of Dispersion can never be________________? |
| A. | Positive |
| B. | Negative |
| C. | 0 |
| D. | 1 |
| Answer» C. 0 | |
| 27. |
If right tail is longer than left tail then distribution is called _________________? |
| A. | Negatively Skewed |
| B. | Positively Skewed |
| C. | All of above |
| D. | None of these |
| Answer» C. All of above | |
| 28. |
The Coefficient of Skewness is always zero for ____________ distribution? |
| A. | Symmetrical |
| B. | Skewed |
| C. | All of above |
| D. | None of these |
| Answer» B. Skewed | |
| 29. |
For Mesokurtic curve of the distribution, β2 is__________________? |
| A. | Zero |
| B. | 3 |
| C. | 4 |
| D. | None of these |
| Answer» C. 4 | |
| 30. |
______________is based on all observations of data? |
| A. | Median |
| B. | Mode |
| C. | Mean |
| D. | None of these |
| Answer» D. None of these | |
| 31. |
Standard deviation is calculated from the Harmonic Mean (HM) ________________? |
| A. | Always |
| B. | Sometimes |
| C. | Never |
| D. | None of these |
| Answer» D. None of these | |
| 32. |
Second moment about mean is_______________? |
| A. | Standard Deviation |
| B. | Variance |
| C. | Coefficient of Variation |
| D. | None of these |
| Answer» C. Coefficient of Variation | |
| 33. |
Lack of symmetry is called_______________? |
| A. | Absolute Dispersion |
| B. | Relative Dispersion |
| C. | Skewness |
| D. | Non of these |
| Answer» D. Non of these | |
| 34. |
The number of accidents in a city during 2012 is____________? |
| A. | Discrete variable |
| B. | Continuous variable |
| C. | Qualitative variable |
| D. | Constant |
| Answer» B. Continuous variable | |
| 35. |
The middle value of an ordered array of numbers is the____________? |
| A. | Mode |
| B. | Mean |
| C. | Median |
| D. | Mid Point |
| Answer» D. Mid Point | |
| 36. |
Life of a T.V picture tube is a:___________? |
| A. | Discrete variable |
| B. | Continuous variable |
| C. | Qualitative variable |
| D. | Constant |
| Answer» C. Qualitative variable | |
| 37. |
According to the empirical rule, approximately what percent of the data should lie within μ±σ? |
| A. | 75% |
| B. | 99.7% |
| C. | 90% |
| D. | 95% |
| Answer» E. | |
| 38. |
The weights of students in a college/school is a___________? |
| A. | Discrete Variable |
| B. | Continuous Variable |
| C. | Qualitative Variable |
| D. | None of these |
| Answer» C. Qualitative Variable | |
| 39. |
Which of the following divides a group of data into four subgroups? |
| A. | Percentiles |
| B. | Deciles |
| C. | Median |
| D. | Quartiles |
| E. | Standard Deviation |
| Answer» E. Standard Deviation | |
| 40. |
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 | |
| 41. |
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)−−−−−−−−−−−−−−√ | |
| 42. |
If all values are same then the measure of dispersion will be________________? |
| A. | 1 |
| B. | 0 |
| C. | Mean |
| D. | Mode |
| E. | Median |
| Answer» C. Mean | |
| 43. |
_____________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 | |
| 44. |
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 | |
| 45. |
Lowest value of variance can be________________? |
| A. | 1 |
| B. | -1 |
| C. | 3 |
| D. | -3 |
| E. | 0 |
| Answer» F. | |
| 46. |
If a and b are two constants, then Var(a+bX) is_______________? |
| A. | a±bVar(X) |
| B. | Var(a)±Var(X) |
| C. | ±bVar(X) |
| D. | b2Var(X) |
| E. | (a±b)Var(X) |
| Answer» E. (a±b)Var(X) | |
| 47. |
Variance remains unchanged by change of________________? |
| A. | Origin |
| B. | Scale |
| C. | Both |
| D. | None of these |
| Answer» B. Scale | |
| 48. |
The sum of squared deviations of a set of n values from their mean is__________________? |
| A. | Zero |
| B. | Maximum |
| C. | Least |
| D. | None |
| Answer» D. None | |
| 49. |
You asked five of your classmates about their height. On the basis of this information, you stated that the average height of all students in your university or college is 67 inches. This is an example of ? |
| A. | Descriptive statistics |
| B. | Inferential Statistics |
| C. | Parameter |
| D. | Population |
| Answer» C. Parameter | |
| 50. |
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. | |