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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. |
In regression equation y=a+βx+e, both x and y variables are |
| A. | y is fixed and x is random |
| B. | Random |
| C. | Fixed |
| D. | x is fixed and y is random |
| Answer» E. | |
| 2. |
The coefficient of correlation between the regression coefficients is: |
| A. | Arithmetic Mean |
| B. | Geometric Mean |
| C. | Average |
| D. | none |
| Answer» C. Average | |
| 3. |
A coefficient of correlation is computed to be -0.95 means that: |
| A. | The relationship between two variables is weak |
| B. | The relationship between two variables is strong and positive |
| C. | The relationship between two variables is strong and but negative |
| D. | Correlation coefficient cannot have this value |
| Answer» D. Correlation coefficient cannot have this value | |
| 4. |
The regression coefficients re independent of change of origin but: |
| A. | Not of Scale |
| B. | Also of Scale |
| C. | No Change in scale |
| D. | none |
| Answer» B. Also of Scale | |
| 5. |
For a symmetrical distribution, Q1 and Q3 are 20 and 60 respectively. The value of medianwill be: |
| A. | 20 |
| B. | 30 |
| C. | 40 |
| D. | 50 |
| Answer» D. 50 | |
| 6. |
In a bivariate sample, the sum of squares of differences between marks of observed values of two variables is 33 and the rank correlation between them is 0.8. Find the number of pairs of observations: |
| A. | 12 |
| B. | 10 |
| C. | 15 |
| D. | 18 |
| Answer» C. 15 | |
| 7. |
An index time series is a list of nos. for two or more periods of time |
| A. | Index |
| B. | Absolute |
| C. | Relative |
| D. | None |
| Answer» B. Absolute | |
| 8. |
__________ is a point of reference in comparing various data describing individual behavior. |
| A. | Sample |
| B. | Base period |
| C. | Estimation |
| D. | None |
| Answer» C. Estimation | |
| 9. |
P01 is the index for time |
| A. | 1 on 0 |
| B. | 0 on 1 |
| C. | 1 on 1 |
| D. | 0 on 0 |
| Answer» B. 0 on 1 | |
| 10. |
If the sum of squares of the rank differences of 10 pairs of values is 30, find the correlationcoefficient between them. |
| A. | 0.75 |
| B. | 0.82 |
| C. | 0.90 |
| D. | 0.83 |
| Answer» C. 0.90 | |
| 11. |
Correlation analysis is a .............................. |
| A. | Univariate analysis |
| B. | Bivariate analysis |
| C. | Multivariate analysis |
| D. | Both Bivariate and Multivariate analysis |
| Answer» E. | |
| 12. |
The range of the values -5, -8, -10, 0, 6, 10 is: |
| A. | 0 |
| B. | 10 |
| C. | -10 |
| D. | 20 |
| Answer» E. | |
| 13. |
If the observations of a variable X are, -4, -20, -30, -44 and -36, then the value of the range will be: |
| A. | -48 |
| B. | 40 |
| C. | -40 |
| D. | 48 |
| Answer» C. -40 | |
| 14. |
In constructing index number geometric mean relatives are: |
| A. | Non-reversible |
| B. | Reciprocal |
| C. | Reversible |
| D. | None of them |
| Answer» D. None of them | |
| 15. |
In statistics out of 100, 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 data is |
| A. | 85 |
| B. | 95 |
| C. | 90 |
| D. | 81 |
| Answer» B. 95 | |
| 16. |
The most appropriate average in averaging the price relatives is: |
| A. | Median |
| B. | Harmonic mean |
| C. | Arithmetic mean |
| D. | Geometric mean |
| Answer» E. | |
| 17. |
How many type of data are there in Statistics |
| A. | 2 |
| B. | 3 |
| C. | 4 |
| D. | 5 |
| Answer» B. 3 | |
| 18. |
In Price Index Numbers prices can either be ? |
| A. | Retail |
| B. | wholesale |
| C. | Both I and II |
| D. | None of the above. |
| Answer» D. None of the above. | |
| 19. |
What are the method of collecting Primary Data |
| A. | Interview |
| B. | observation |
| C. | Questionnair |
| D. | All of the above |
| Answer» E. | |
| 20. |
Which index number is called as ideal index number. |
| A. | Lasperys |
| B. | Paasches |
| C. | Fisher |
| D. | None of Above |
| Answer» D. None of Above | |
| 21. |
Regression Coefficient of Y on X is: |
| A. | bXY |
| B. | bYX |
| C. | Not Specified |
| D. | none |
| Answer» C. Not Specified | |
| 22. |
Laspeyre's formula does not obey: |
| A. | Factor Reversal Test |
| B. | Time Reversal Test |
| C. | Circular Test |
| D. | None |
| Answer» C. Circular Test | |
| 23. |
is data that is collected by a researcher from first-handsources |
| A. | Primary data |
| B. | Secondary data |
| C. | both |
| D. | none |
| Answer» B. Secondary data | |
| 24. |
Which of the following is a method of measuring trend: |
| A. | Freehand curve |
| B. | Bar graph |
| C. | Histogram |
| D. | System Analysis |
| Answer» B. Bar graph | |
| 25. |
A numerical value used as a summary measure for a sample, such as sample mean, is known as a |
| A. | population parameter |
| B. | sample parameter |
| C. | sample statistic |
| D. | population mean |
| Answer» D. population mean | |
| 26. |
One of the following methods of calculating mode is: |
| A. | Mode = 3 Median – 2 Mean |
| B. | Mode = 2 Median – 3 Mean |
| C. | Mode = 3 Median + 2 Mean |
| D. | Mode = 2 Median – 2 Mean |
| Answer» B. Mode = 2 Median – 3 Mean | |
| 27. |
A furniture retail chain operates several stores across the country. A table is to be constructed to showing the number of employees in each region, organized into groups. Which of the following sets of categories would NOT be suitable for use in such a table? |
| A. | 0 - 10, 11-20 |
| B. | 0 to less than 10, 10 to less than 20 |
| C. | 0-10, 10-20 |
| D. | 0 up to 10, 10 up to 20 |
| Answer» D. 0 up to 10, 10 up to 20 | |
| 28. |
In a regression analysis if r2 = 1, then : |
| A. | SSE must also be equal to one |
| B. | SSE must be equal to zero |
| C. | SSE can be any positive value |
| D. | SSE must be negative |
| Answer» C. SSE can be any positive value | |
| 29. |
Wheat crops badly damaged on account of rains is: |
| A. | Cyclical movement |
| B. | Random movement |
| C. | Secular trend |
| D. | Seasonal movement |
| Answer» C. Secular trend | |
| 30. |
Cyclical variations are caused by |
| A. | Trade business cycles |
| B. | Elections |
| C. | Changes in foreign exchange |
| D. | Changes in interest rates |
| Answer» B. Elections | |
| 31. |
For a symmetrical distribution Q1=25, Q3=45, the median is |
| A. | 20 |
| B. | 25 |
| C. | 35 |
| D. | None of these |
| Answer» D. None of these | |
| 32. |
When the values in a series are not of equal importance, we calculate the: |
| A. | Arithmetic mean |
| B. | Geometric mean |
| C. | Weighted mean |
| D. | Mode |
| Answer» D. Mode | |
| 33. |
Find the mean of x + 77, x + 7, x + 5, x + 3 and x – 2? |
| A. | x + 8 |
| B. | x + 18 |
| C. | x – 8 |
| D. | x – 18 |
| Answer» C. x – 8 | |
| 34. |
The value of β2 can be: |
| A. | Less than 3 |
| B. | Greater than 3 |
| C. | Equal to 3 |
| D. | All of the above |
| Answer» E. | |
| 35. |
The regression equation is the line with slope a passing through |
| A. | The point (X¯¯¯¯,Y¯¯¯¯) |
| B. | The point (Y, X) |
| C. | The point (X, Y) |
| D. | The point (Y¯¯¯¯,X¯¯¯¯) |
| Answer» B. The point (Y, X) | |
| 36. |
Index nos. show changes rather than absolute amounts of change. |
| A. | Relative |
| B. | Percentage |
| C. | Both |
| D. | None |
| Answer» C. Both | |
| 37. |
The point of intersection of two regression lines is.......................... |
| A. | (0,0) |
| B. | (1,1) |
| C. | (x,y) |
| D. | (x̄, ӯ) |
| Answer» E. | |
| 38. |
A data set may have no mode, one mode, or multiple modes. |
| A. | True |
| B. | False |
| C. | none |
| D. | all |
| Answer» B. False | |
| 39. |
Branches of statistics includes |
| A. | applied statistics |
| B. | mathematical statistics |
| C. | industry statistics |
| D. | both a and b |
| Answer» E. | |
| 40. |
Given below the four sets of observations. Which set has the minimum variation? |
| A. | 46, 48, 50, 52, 54 |
| B. | 30, 40, 50, 60, 70 |
| C. | 40, 50, 60, 70, 80 |
| D. | 48, 49, 50, 51, 52 |
| Answer» E. | |
| 41. |
In a straight line equation Y = a + bX; a and b are respectively: |
| A. | X-intercept and slope |
| B. | Y intercept and slope |
| C. | can't determined |
| D. | all |
| Answer» C. can't determined | |
| 42. |
____ is an extension of time reversal test |
| A. | Factor Reversal test |
| B. | Circular test |
| C. | Both |
| D. | None |
| Answer» C. Both | |
| 43. |
A complete business cycle consists of a period of: |
| A. | Prosperity |
| B. | Recession |
| C. | Both prosperity and recession |
| D. | none of the above |
| Answer» D. none of the above | |
| 44. |
A period for which index number is determined is called as ------ |
| A. | current period |
| B. | base period |
| C. | . Normal period. |
| D. | None of the above |
| Answer» B. base period | |
| 45. |
Find the mode of 8, 5, 7, 10, 15, 21, 5, 7, 2, 5 |
| A. | 5 |
| B. | 7 |
| C. | 2 |
| D. | 10 |
| Answer» C. 2 | |
| 46. |
The second and fourth moments about mean are 4 and 48 respectively, then the distribution is: |
| A. | Leptokurtic |
| B. | Platykurtic |
| C. | Mesokurtic or normal |
| D. | Positively skewed |
| Answer» D. Positively skewed | |
| 47. |
The correlation coefficient is used to determine: |
| A. | A specific value of the y-variable given a specific value of the x-variable |
| B. | A specific value of the x-variable given a specific value of the y-variable |
| C. | The strength of the relationship between the x and y variables |
| D. | None of these |
| Answer» D. None of these | |
| 48. |
A ratio or an average of ratios expressed as a percentage is called |
| A. | a relative no |
| B. | an absolute no. |
| C. | an index no. |
| D. | none |
| Answer» D. none | |
| 49. |
The additive and multiplicative time series models are: |
| A. | Y = T + S + C + I and Y = TSCI respectively |
| B. | Y = TSCI and Y = T + S + C + I |
| C. | none of these |
| D. | all |
| Answer» B. Y = TSCI and Y = T + S + C + I | |
| 50. |
The range of the scores 29, 3, 143, 27, 99 is: |
| A. | 140 |
| B. | 143 |
| C. | 146 |
| D. | 70 |
| Answer» B. 143 | |