31. In case of three variables the regression equation x1 on x2 and x3 has the form
32. Coefficient of variation is calculated by the formula
33. While editing primary data, we have only to see that information contained in questionnaire is
34. Read the following statements and mark your answer according to the given below.
1. CD is a programme
2. CD is a cultural event
3. CD is a social event
4. CD is a project
Correct statements are
1. CD is a programme
2. CD is a cultural event
3. CD is a social event
4. CD is a project
Correct statements are
35. Which of the following guides the Block Samiti?
36. Match the following columns
Column I
Column II
a. Statistics deals with
1. R. Fisher
b. The word statistics derived from
2. Aggregates of facts
c. Real giant in the development of theory of statistics
3. Latin word status
d. A perfect survey is a
4. Myth
Column I | Column II |
a. Statistics deals with | 1. R. Fisher |
b. The word statistics derived from | 2. Aggregates of facts |
c. Real giant in the development of theory of statistics | 3. Latin word status |
d. A perfect survey is a | 4. Myth |
37. If standard deviation of x is 5, then the standard deviation of (4x + 8) will be
38. When r is zero, the regression lines cut each other making an angle of
39. Student's t-test is used when sample size is . . . . . . . . and population standard deviation is not known.
40. The df of error in LSD with 6 treatments will be
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