Agricultural Statistics - Study Mode

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[#371] If N = 100, $$sum { ext{X}}$$ = 600, $$sum {{ ext{X}}^2}$$xa0 = 10000, then standard deviation will be

(A) 8

(B) 12

(C) 64

(D) 100

Correct Answer

(A) 8

[#372] The probability of getting a king or a queen or a knave from a pack of cards will be

(A) 0.23

(B) 1

(C) 0.5

(D) 0.3

Correct Answer

(A) 0.23

[#373] If 4 levels of sowing dates are laid out in main plot, 5 levels of nitrogen applied in subplot and they are replicated three times, then what will be the degree of freedom for error (b)

(A) 18

(B) 6

(C) 32

(D) 60

Correct Answer

(C) 32

[#374] When we want to conduct a experiment on a long strip of land, which design will be preferred

(A) RBD

(B) Augmented design

(C) SPD

(D) LSD

Correct Answer

(D) LSD

[#375] A distribution is said to be symmetrical if the values are uniformly distributed around the

(A) Mode

(B) Standard deviation

(C) Mean

(D) Mean deviation

Correct Answer

(C) Mean