MCQOPTIONS
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MCQOPTIONS
This section includes 39 Mcqs, each offering curated multiple-choice questions to sharpen your Graduate Aptitude Test (GATE) knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
To specify different curves in an angle histogram plot, we use the _________ function. |
| A. | legend |
| B. | display |
| C. | gtext() |
| D. | mtext |
| Answer» B. display | |
| 2. |
A cubic system can be represented using the function ____ |
| A. | plot3 |
| B. | stem() |
| C. | display |
| D. | legend |
| Answer» B. stem() | |
| 3. |
To display the runs scored by a batsman towards different directions in a field, one uses |
| A. | Bar graph |
| B. | Angle histogram |
| C. | Histogram |
| D. | No graph is suitable |
| Answer» B. Angle histogram | |
| 4. |
To display the partnership of 3 batsman with one batsman, one uses _________ |
| A. | Bar-graph |
| B. | Histogram |
| C. | Pie plot |
| D. | Cannot be displayed |
| Answer» C. Pie plot | |
| 5. |
What is the difference between stem plot and histogram plot? |
| A. | No difference |
| B. | Histogram does not have negative values while stem may have negative values |
| C. | Histogram cannot relate 3 variable while stem can |
| D. | Histogram cannot be created in MATLAB |
| Answer» C. Histogram cannot relate 3 variable while stem can | |
| 6. |
What would you use to show comparisons of profit of 3 industries over 3 quarters? |
| A. | Histogram plot |
| B. | Bar plot |
| C. | Bode plot |
| D. | Frequency plot |
| Answer» C. Bode plot | |
| 7. |
The nature of data while using pie plots is ___________ data. |
| A. | Discrete |
| B. | Continuous |
| C. | Polar |
| D. | Time-series |
| Answer» C. Polar | |
| 8. |
What is the difference between primary and secondary data in statistics? |
| A. | No difference |
| B. | The former is collected from the field of the investigation while the latter is collected from a separate entity |
| C. | The first set of data received is Primary data while the next set is secondary data |
| D. | The important data is primary data while the lesser important data is secondary data |
| Answer» C. The first set of data received is Primary data while the next set is secondary data | |
| 9. |
What is the output of the following line of code? |
| A. | Error |
| B. | Sliced pie chart |
| C. | Pie-chart |
| D. | Labelled Pie chartView Answer |
| Answer» B. Sliced pie chart | |
| 10. |
To exhibit time-series or spatial-series data, what kind of diagrams are suitable? |
| A. | Pie-bar |
| B. | Pie-chart |
| C. | Ratio-chart |
| D. | Bar-diagram |
| Answer» E. | |
| 11. |
If in a formula, mean absolute deviation is numerator and arithmetic mean is denominator then resultant value is classified as |
| A. | coefficient of mean deviation |
| B. | coefficient of absolute quartile deviation |
| C. | coefficient of quartile range deviation |
| D. | coefficient of mean absolute deviation |
| Answer» E. | |
| 12. |
Number of patients who visited cardiologists are as 63, 57, 51, 65 in four days then absolute mean deviation (approximately) is |
| A. | 8 patents |
| B. | 4 patients |
| C. | 10 patients |
| D. | 15 patients |
| Answer» C. 10 patients | |
| 13. |
Mean absolute deviation is 5 and arithmetic mean is 110 then coefficient of mean absolute deviation is |
| A. | 1.054 |
| B. | 0.045 |
| C. | 0.054 |
| D. | 0.064 |
| Answer» C. 0.054 | |
| 14. |
If set of observations is 11, 13, 15, 12, 16, 18, 19, 14, 20, 17 and absolute mean deviation is 12 then percentage of coefficient of mean absolute deviation is |
| A. | 47.41% |
| B. | 57.41% |
| C. | 67.41% |
| D. | 77.41% |
| Answer» E. | |
| 15. |
If arithmetic mean is considered as average of deviations then resultant measure is considered as |
| A. | close end deviation |
| B. | mean absolute deviation |
| C. | mean deviation |
| D. | variance deviation |
| Answer» C. mean deviation | |
| 16. |
Procedure in which number of elements in stratum are not in proportional to number of elements in population is classified as |
| A. | indirect strata procedure |
| B. | direct strata procedure |
| C. | non proportional procedure |
| D. | proportional procedure |
| Answer» D. proportional procedure | |
| 17. |
In stratified sampling, sample drawn randomly from strata is classified as |
| A. | sub strata |
| B. | sub sample |
| C. | direct sub group |
| D. | indirect sub group |
| Answer» C. direct sub group | |
| 18. |
Method of sampling in which population is divided in to mutual exclusive groups that have useful context in statistical research is classified as |
| A. | stratified sampling |
| B. | regular group sampling |
| C. | irregular group sampling |
| D. | direct group sampling |
| Answer» B. regular group sampling | |
| 19. |
Type of stratified proportion sampling in which information is gathered on convenience basis from different groups of population is classified as |
| A. | purposive sampling |
| B. | judgment sampling |
| C. | quota sampling |
| D. | convenience sampling |
| Answer» D. convenience sampling | |
| 20. |
Classification method in which upper and lower limits of interval is also in class interval itself is called |
| A. | exclusive method |
| B. | inclusive method |
| C. | mid-point method |
| D. | ratio method |
| Answer» C. mid-point method | |
| 21. |
Summary and presentation of data in tabular form with several non-overlapping classes is referred as |
| A. | nominal distribution |
| B. | ordinal distribution |
| C. | chronological distribution |
| D. | frequency distribution |
| Answer» E. | |
| 22. |
Largest value is 60 and smallest value is 40 and number of classes desired is 5 then class interval isa |
| A. | 20 |
| B. | 4 |
| C. | 25 |
| D. | 15 |
| Answer» C. 25 | |
| 23. |
Classification method in which upper limit of interval is same as of lower limit class interval is called |
| A. | exclusive method |
| B. | inclusive method |
| C. | mid-point method |
| D. | ratio method |
| Answer» B. inclusive method | |
| 24. |
Discrete variables and continuous variables are two types of |
| A. | open end classification |
| B. | time series classification |
| C. | qualitative classification |
| D. | quantitative classification |
| Answer» E. | |
| 25. |
Three dimensional diagrams are named as so because they considers both |
| A. | length and breadth |
| B. | breadth and depth |
| C. | depth, length and breadth |
| D. | depth and length |
| Answer» D. depth and length | |
| 26. |
Diagrams used to represent grouped and ungrouped data is classified as |
| A. | breadth diagrams |
| B. | bar diagrams |
| C. | width diagrams |
| D. | length diagrams |
| Answer» C. width diagrams | |
| 27. |
In stem and leaf display diagrams used in exploratory analysis, stems are considered as |
| A. | central digits |
| B. | trailing digits |
| C. | leading digits |
| D. | dispersed digits |
| Answer» D. dispersed digits | |
| 28. |
Diagrams such as cubes and cylinders are classified as |
| A. | one dimension diagrams |
| B. | two dimension diagram |
| C. | three dimensional diagrams |
| D. | dispersion diagrams |
| Answer» D. dispersion diagrams | |
| 29. |
If vertical lines are drawn at every point of straight line in frequency polygon then by this way frequency polygon is transformed into |
| A. | width diagram |
| B. | length diagram |
| C. | histogram |
| D. | dimensional bar charts |
| Answer» D. dimensional bar charts | |
| 30. |
Cumulative distribution functions are used to specify the distribution of multivariate random variables. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 31. |
Which of the following random variables are the default model for random samples ? |
| A. | iid |
| B. | id |
| C. | pmd |
| D. | all of the Mentioned |
| Answer» B. id | |
| 32. |
Chebyshev’s inequality states that the probability of a “Six Sigma” event is less than |
| A. | 10% |
| B. | 20% |
| C. | 30% |
| D. | 3% |
| Answer» E. | |
| 33. |
For continuous random variables, the CDF is the derivative of the PDF |
| A. | True |
| B. | False |
| Answer» C. | |
| 34. |
Which of the following inequality is useful for interpreting variances ? |
| A. | Chebyshev |
| B. | Stautaory |
| C. | Testory |
| D. | All of the Mentioned |
| Answer» B. Stautaory | |
| 35. |
Point out the wrong statement: |
| A. | A percentile is simply a quantile with expressed as a percent |
| B. | There are two types of random variable |
| C. | R cannot approximate quantiles for you for common distributions |
| D. | None of the Mentioned |
| Answer» D. None of the Mentioned | |
| 36. |
The square root of the variance is called the ________ deviation. |
| A. | empirical |
| B. | mean |
| C. | Continuous |
| D. | standard |
| Answer» E. | |
| 37. |
Which of the following of a random variable is a measure of spread ? |
| A. | variance |
| B. | standard deviation |
| C. | empirical mean |
| D. | all of the Mentioned |
| Answer» B. standard deviation | |
| 38. |
Point out the correct statement: |
| A. | Some cumulative distribution function F is non-decreasing and right-continuous |
| B. | Every cumulative distribution function F is decreasing and right-continuous |
| C. | Every cumulative distribution function F is increasing and left-continuous |
| D. | None of the Mentioned |
| Answer» E. | |
| 39. |
The expected value or _______ of a random variable is the center of its distribution. |
| A. | mode |
| B. | median |
| C. | mean |
| D. | bayesian inference |
| Answer» D. bayesian inference | |