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If =100 and Y=2X - 200, then mean of Y values will be:


A) 0
B) 2
C) 100
D) 200

E) A) and B)
F) C) and D)

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Which technique is used in finding a solution for optimizing a given objective, such as profit maximization or cost reduction under certain constraints?


A) Qualing theory
B) Waiting Line
C) Both A and B
D) Linear Programming

E) A) and B)
F) A) and C)

Correct Answer

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The measure of central tendency listed below is:


A) The raw score
B) The mean
C) The range
D) Standard deviation

E) None of the above
F) A) and D)

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Any measure indicating the centre of a set of data, arranged in an increasing or decreasing order of magnitude, is called a measure of


A) Skewness
B) Symmetry
C) Central tendency
D) Dispersion

E) B) and C)
F) All of the above

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Which of the following average cannot be calculated for the observations 2, 2, 4, 4, 6, 6, 8, 8, 10, 10 ?


A) Mean
B) Median
C) Mode
D) All of the above

E) All of the above
F) B) and C)

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If in a discrete series 75% values are greater than 50, then:


A) Q1 = 50
B) Q1 < 50
C) Q1 > 50
D) Q1 ? 50

E) All of the above
F) None of the above

Correct Answer

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Scores that differ greatly from the measures of central tendency are called:


A) Raw scores
B) The best scores
C) Extreme scores
D) Z-scores

E) A) and C)
F) A) and B)

Correct Answer

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If the arithmetic mean of 20 values is 10, then sum of these 20 values is:


A) 10
B) 20
C) 200
D) 20 + 10

E) B) and C)
F) None of the above

Correct Answer

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By constructing models, the problems in libraries increase and cannot be solved.

A) True
B) False

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