21. If two events A and B are dependent the conditional probability of A, given B, i.e., $${\text{P}}\left( {\frac{{\text{A}}}{{\text{B}}}} \right)$$ is calculated as
22. The all-round development of Indian rural peoples can be achieved by means of
23. Match the following columns
Column I
Column II
a. When coefficient of skewness is zero, the distribution is
1. Leptokuritic
b. If β2 = 3, the cofficient is
2. Kurtosis
c. If β2 > 3, the distribution is
3. Mesokuritic
d. β2 is a measure of
4. Symmetrical
| Column I | Column II |
| a. When coefficient of skewness is zero, the distribution is | 1. Leptokuritic |
| b. If β2 = 3, the cofficient is | 2. Kurtosis |
| c. If β2 > 3, the distribution is | 3. Mesokuritic |
| d. β2 is a measure of | 4. Symmetrical |
24. When we want average of rates of change or ratios or index number, which measure of central tendancy is suitable
25. If variance = 256, $$\sum \left( {{\text{X}} - \overline {\text{X}} } \right)$$ = 4096, then value of n will be
26. While using the variance ratio test, a student noted the value of F from the table for (9, 11) degrees of freedom. The number of observations in sample having greater variance must be
27. Poisson distribution deals with
28. Match the following columns
Column I
Column II
a. NABARD
1. 1935
b. RBI
2. 1982
c. CACO
3. 1975
d. RRB
4. 1965
| Column I | Column II |
| a. NABARD | 1. 1935 |
| b. RBI | 2. 1982 |
| c. CACO | 3. 1975 |
| d. RRB | 4. 1965 |
29. The extrapolated value of a certain time period shall be
30. If sum of the product of deviation of x and y series from their means, i.e., Ʃxy is zero the coefficient of correlation shall be
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