Business Statistics And Research Methods - Study Mode

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[#476] The sum of squared deviation is the least when taken from

(A) mode

(B) median

(C) arithmetic mean

(D) geometric mean

Correct Answer

(C) arithmetic mean

[#477] Alternative hypothesis is expressed by:

(A) Q 1

(B) P 0

(C) H 1

(D) H 0

Correct Answer

(C) H 1

[#478] Match the following. List-I (Terms) List-II (Explanations) a. Unimodal 1. The distribution that can take a limited number of values which can be listed b. Discrete probability distribution 2. The curve has a single peak c. Continuous probability distribution 3. Where variable is allowed to take any value within given range

(A) a-2, b-1, c-3

(B) a-1, b-2, c-3

(C) a-3, b-2, c-1

(D) a-2, b-3, c-1

Correct Answer

(A) a-2, b-1, c-3

[#479] The average speed of the train is calculated by

(A) by mean

(B) by median

(C) by mode

(D) by harmonic mean

Correct Answer

(D) by harmonic mean

[#480] If Laspeyre's Index No. is 121 and Paasche's Index No. is 144 then Fisher's Index No. is

(A) 137.5

(B) 213.5

(C) 321

(D) 132

Correct Answer

(D) 132