Statistics  SAMPLE LINEAR REGRESSION AND CORRELATION
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This is MCQs of Statistics
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Question 1 of 30
1. Question
Least square regression line always passes through __________
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Question 2 of 30
2. Question
The two regression coefficient always have the ________ sign.
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Question 3 of 30
3. Question
The regression coefficient are ____ origin.
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Question 4 of 30
4. Question
A model is linear if it is linear in the dependent variable and also in __________
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Question 5 of 30
5. Question
When the two regression lines coincide there r is _______.
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Question 6 of 30
6. Question
In x = 2 _______ 6y the value of y are increasing by one unit then values of x are.
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Question 7 of 30
7. Question
If y = 2 + 6x then value of y intercept is ________
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Question 8 of 30
8. Question
If x = 3 then value of regression coefficient of X or Y is _______
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Question 9 of 30
9. Question
Regression coefficient is denoted by
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Question 10 of 30
10. Question
In correlation, both variables are
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Question 11 of 30
11. Question
Correlation is ____ of regression coefficients.
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Question 12 of 30
12. Question
Correlation coefficient lies between________
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Question 13 of 30
13. Question
Correlation coefficient is ____ with respect to x and y.
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Question 14 of 30
14. Question
Correlation coefficient is ____ of origin and unit of measurement.
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Question 15 of 30
15. Question
Which of the following can never be taken as coefficient of correlation is ______
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Question 16 of 30
16. Question
If bxy = .8 by x = 1.2 then value of r is ________
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Question 17 of 30
17. Question
If x and y are Independent to each other the coefficient of correlation is _________
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Question 18 of 30
18. Question
If bxy = byx = r then _______
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Question 19 of 30
19. Question
If r, between u = x and y = x is _______
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Question 20 of 30
20. Question
Two attributes are associated if expected frequency is _________
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Question 21 of 30
21. Question
In r x c table for test of Independence the degree of freedom is _____
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Question 22 of 30
22. Question
(A β C) is a frequency of attributes of order_____
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Question 23 of 30
23. Question
If (AB) >(A) (B)/n _______ then A and B are
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Question 24 of 30
24. Question
In perfect association the value of coefficient of association is ________
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Question 25 of 30
25. Question
The table representing two attributes is called
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Question 26 of 30
26. Question
Attributes are ____ if they have some relation.
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Question 27 of 30
27. Question
To cut a population into three classes is called_______
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Question 28 of 30
28. Question
Richness is not a _____
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Question 29 of 30
29. Question
Drugs are the example of _____
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Question 30 of 30
30. Question
γxy is always equal to________
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