Agricultural Statistics - Study Mode

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[#431] Two samples of size 12 and 10 gave variance 16 and 36. The df of F-statistics will be

(A) 10, 12

(B) 20

(C) 11, 9

(D) 9, 11

Correct Answer

(D) 9, 11

[#432] The mean of the binomial distribution is

(A) np

(B) npq

(C) $$sqrt {{ ext{npq}}} $$

(D) None of these

Correct Answer

(A) np

[#433] Which of the following is not a method of group communication?

(A) Conference

(B) Field trips

(C) National demonstration

(D) Farm and home visits

Correct Answer

(D) Farm and home visits

[#434] Panchayati Raj was first time introduced in which of the following state?

(A) Rajasthan

(B) Punjab

(C) Andhra Pradesh

(D) Odisha

Correct Answer

(C) Andhra Pradesh

[#435] What will be the variance of the values 12, 12, 12, 12, 12, 12?

(A) 12

(B) 0

(C) 6

(D) 2

Correct Answer

(B) 0