Agricultural Statistics - Study Mode
[#126] Match the following columns Column I Column II a. Personal contact 1. Mass method b. Public address equipment 2. Mass method c. Circular letter 3. Individual method d. Television 4. Group method
Correct Answer
(A) a-3, b-4, c-1, d-2
[#127] For the expression of standard error of mean, which formula is applicable
Correct Answer
(A) $$frac{{ ext{S}}}{{sqrt { ext{n}} }}$$
[#128] Match the following columns Column I Column II a. The coefficient of correlation 1. Spearman b. If r = 0.3, r 2 will be 2. Standard error c. The probable error of correlation coefficient is 0.6745 of 3. Varies between ± 1 d. The rank correlation coefficient was developed by 4. 0.09
Correct Answer
(B) a-3, b-4, c-2, d-1
[#129] While drawing a scatter diagram if all points appear to form a straight line going downwards from left to right, then it is inferred that there is
Correct Answer
(B) No correlation
[#130] There will be only one regression line in case of two variables, if
Correct Answer
(A) r = + 1