MCQOPTIONS
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MCQOPTIONS
This section includes 29 Mcqs, each offering curated multiple-choice questions to sharpen your Statistics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following can never be taken as coefficient of correlation is _____________? |
| A. | -99 |
| B. | .99 |
| C. | 0 |
| D. | √3 |
| Answer» E. | |
| 2. |
When the two regression lines coincide there r is __________________? |
| A. | Zero |
| B. | Less than zero |
| C. | More than zero |
| D. | Great |
| Answer» B. Less than zero | |
| 3. |
Two attributes are associated if expected frequency is ____________________? |
| A. | Less than observed |
| B. | Greater than observed |
| C. | Equal to observed |
| D. | None of these |
| Answer» B. Greater than observed | |
| 4. |
To cut a population into three classes is called_______________? |
| A. | Dichotomy |
| B. | Capital |
| C. | Tracheotomy |
| D. | Attribute |
| Answer» D. Attribute | |
| 5. |
The two regression co-efficient always have the __________ sign? |
| A. | Different |
| B. | Same |
| C. | None of these |
| D. | +ve |
| Answer» C. None of these | |
| 6. |
The table representing two attributes is called________________? |
| A. | Random table |
| B. | Contingency table |
| C. | Dichotomy table |
| D. | Chi-square table |
| Answer» C. Dichotomy table | |
| 7. |
The regression co-efficient are _________ origin? |
| A. | Dependent |
| B. | Independent |
| C. | Scale |
| D. | Both |
| Answer» C. Scale | |
| 8. |
Richness is not a ________________? |
| A. | Constant |
| B. | Discreade |
| C. | Variable |
| D. | Continuous |
| Answer» D. Continuous | |
| 9. |
Regression co-efficient is denoted by_____________? |
| A. | by |
| B. | byx |
| C. | bzx |
| D. | m |
| Answer» C. bzx | |
| 10. |
Least square regression line always passes through ____________________? |
| A. | (x,y) |
| B. | (X,Y) |
| C. | (X,Z) |
| D. | x/y |
| Answer» C. (X,Z) | |
| 11. |
In x = 2 _________ 6y the value of y are increasing by one unit then values of x are? |
| A. | Increasing by 6 |
| B. | Decreasing by 6 |
| C. | No change |
| D. | Non of these |
| Answer» C. No change | |
| 12. |
In r x c table for test of Independence the degree of freedom is _____________? |
| A. | r + c |
| B. | rc |
| C. | ι r – c ι |
| D. | (r -1) (c -1) |
| Answer» E. | |
| 13. |
In perfect association the value of coefficient of association is ______________? |
| A. | (0) |
| B. | +1 |
| C. | -1 |
| D. | non of these |
| Answer» C. -1 | |
| 14. |
In correlation, both variables are______________? |
| A. | Random |
| B. | Fixed |
| C. | Non-random |
| D. | Experimental |
| Answer» B. Fixed | |
| 15. |
If y = 2 + 6x then value of y intercept is _________________? |
| A. | 6 |
| B. | 2 |
| C. | 0 |
| D. | None |
| Answer» B. 2 | |
| 16. |
If x and y are Independent to each other the coefficient of correlation is _____________? |
| A. | -1 |
| B. | +1 |
| C. | .6 |
| D. | 0 |
| Answer» E. | |
| 17. |
If x = 3 then value of regression co-efficient of X or Y is ________________? |
| A. | (3) |
| B. | (0) |
| C. | -3 |
| D. | -4 |
| Answer» C. -3 | |
| 18. |
If r, between u = x and y = -x is _______________? |
| A. | +1 |
| B. | -1 |
| C. | 0 |
| D. | Non of these |
| Answer» C. 0 | |
| 19. |
If bxy = -.8 by x = 1.2 then value of r is ________________? |
| A. | √.96 |
| B. | √-.96 |
| C. | 0 |
| D. | None of these |
| Answer» E. | |
| 20. |
If bxy = byx = r then ________________? |
| A. | 6x < 6y |
| B. | 6y < 6x |
| C. | 6x = 6y |
| D. | Non of These |
| Answer» D. Non of These | |
| 21. |
If (AB) >(A) (B)/n __________ then A and B are? |
| A. | Independent |
| B. | Associated |
| C. | Dis-associated |
| D. | None of these |
| Answer» C. Dis-associated | |
| 22. |
Correlation is _____________ of regression coefficients? |
| A. | A.M. |
| B. | G.M. |
| C. | M.D. |
| D. | H.M. |
| Answer» C. M.D. | |
| 23. |
Correlation coefficient lies between__________________? |
| A. | 0 ≤ r ≤ 1 |
| B. | 0 ≤ r ≤ -1 |
| C. | -1 ≤ r ≤ 1 |
| D. | 1 ≤ r ≤ 0 |
| Answer» D. 1 ≤ r ≤ 0 | |
| 24. |
Correlation coefficient is ___________ with respect to x and y? |
| A. | +vely |
| B. | Non-normal |
| C. | Symmetrical |
| D. | Skewed |
| Answer» D. Skewed | |
| 25. |
Correlation coefficient is _________ of origin and unit of measurement? |
| A. | Origin |
| B. | Dependence |
| C. | Independence |
| D. | None |
| Answer» D. None | |
| 26. |
Attributes are _______ if they have some relation? |
| A. | Disassociation |
| B. | In consistent |
| C. | Associated |
| D. | None of these |
| Answer» D. None of these | |
| 27. |
A model is linear if it is linear in the dependent variable and also in ______________? |
| A. | Parameter |
| B. | Independent variable |
| C. | Error term |
| D. | Non of these |
| Answer» B. Independent variable | |
| 28. |
(A β C) is a frequency of attributes of order_______________? |
| A. | 3 |
| B. | (2) |
| C. | 1 |
| D. | 0 |
| Answer» B. (2) | |
| 29. |
γxy is always equal to_____________? |
| A. | γyx |
| B. | -γyx |
| C. | γx |
| D. | γo2 |
| Answer» B. -γyx | |