31. The index number express-
32. An ogive is:
33. Which one of these variables is a continuous random variable?
34. Correlation coefficient
35. Normally the reports present conclusions are based on:
36. Match the items of List I with the items of List-II and select the correct answer:
List-I
List-II
a. Contingency coefficient for any size of contingency table
1. $$\sqrt {\frac{{N - n}}{{N - 1}}} $$
b. Statistical approach to decide size of a sample
2. $$\frac{{{\sigma _p}}}{{\sqrt n }}$$
c. Finite population multiplier
3. $$\sqrt {\frac{{{x^2}}}{{{x^2} + n}}} $$
d. Standard error of mean
4.$$\frac{{{Z^2} \cdot \sigma _p^2}}{{{e^2}}}$$
| List-I | List-II |
| a. Contingency coefficient for any size of contingency table | 1. $$\sqrt {\frac{{N - n}}{{N - 1}}} $$ |
| b. Statistical approach to decide size of a sample | 2. $$\frac{{{\sigma _p}}}{{\sqrt n }}$$ |
| c. Finite population multiplier | 3. $$\sqrt {\frac{{{x^2}}}{{{x^2} + n}}} $$ |
| d. Standard error of mean | 4.$$\frac{{{Z^2} \cdot \sigma _p^2}}{{{e^2}}}$$ |
37. In the regression equation Y = a + b X, a is called:
38. To show the trend for a variable, which one of the presentation method is used?
39. Which one of the following is a relative measures of dispersion?
40. Which one of the following formulas is used to calculate probable error of correlation coefficient between two variables of $$'n'$$ pairs of observations?
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