54

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While analysing the data of 4 x 4 Latin square design, the error df in analysis of variance
is equal to
(A) 16 (B) 8
(൭ 6 (D) 4
In a 33 factorial with factors A, B and C each at 3 level, the interaction A7BC? is same as
the interaction
(A) ABC (B) ABC
(©) AB2C2 (D) A2BC
A life table consists of
(A) Seven columns )8( Eight columns
(C) Nine columns (D) None
Value of b in the trend line y =a + bx is
(^) Always positive (B) Always negative
(C) Neither positive nor negative (D) Both positive or negative
If Laspeyre’s price index is 100 and Paasche’s price index is 144 then Fisher’s index
number is
(A) 100 (B) 144
(C) 122 (D) 120
In determining the real Economic growth the price index number is used to
(^) Evaluate the value of National products
(8) Deflate the GNP value
(©) Both (A) & (8)
(D) None
The MGF ofa random variable for which uw =r! is
(A) (1-07 (8) 7
൭ 60-97 (0) (ஈட
Which among the following statement related to scientific management is not correct ?
(A) Applicable to shop floor level of a factory
(B) Helps to increase productivity
(C) Developed by observations and experimentation
(D) Unity of command is strictly followed
Unity of command :
(^) Implies that employee should get orders from and report to one boss.
(B) Help to fix the responsibility of each person in the organization.
(C) States that subordinate should receive orders from all the superiors.
(D) Both (A) & (B) are correct.

[P.T.O.]