Business Statistics And Research Methods - Study Mode

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[#771] If the lower and upper limit of a class are 20 and 40, then the mid-point

(A) 20

(B) 30

(C) 40

(D) None of these

Correct Answer

(B) 30

[#772] It is appropriate to calculate the mean excluding the extreme value in order to make it more representative.

(A) True

(B) False

(C) Partly true

(D) None of these

Correct Answer

(A) True

[#773] The mean deviation is minimum when deviations are taken from:

(A) Mean

(B) Mode

(C) Median

(D) Zero

Correct Answer

(C) Median

[#774] Match the groups of List-I with List-II and select the correct answer from the options given below List-I List-II a. Index 1. General b. Base year 2. $$frac{{sum RW}}{{sum W}}$$ c. Index of the base year 3. Economic barometer d. Family income-expenditure method 4. 100

(A) a-1, b-2, c-3, d-4

(B) a-3, b-1, c-4, d-2

(C) a-4, b-3, c-2, d-1

(D) a-3, b-1, c-2, d-4

Correct Answer

(B) a-3, b-1, c-4, d-2

[#775] Which of the following is the main benefit of business research?

(A) scholars

(B) stockholders

(C) business decisions

(D) brokers

Correct Answer

(C) business decisions