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Chapter:

30+ Unit 2 Solved MCQs

in Quantitative Techniques 2

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Economics (CBCS) .

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Chapter: Unit 2
1.

Which of the following is not a pre-requisite for a good measure of central tendency?

A. It should not be rigidly defined
B. It should be based on all observations
C. It should not be affected by fluctuation of sampling
D. None of the above
Answer» A. It should not be rigidly defined
discuss
2.

Which one of the following is a pre-requisite for a good measure of dispersion?

A. It should be affected by fluctuation of sampling
B. It should be easy to calculate
C. It should not be based on all observations
D. All of the above
Answer» B. It should be easy to calculate
discuss
3.

In an open ended frequency distribution:

A. Mean cannot be found
B. Median cannot be found
C. Mode cannot be found
D. None of the above
Answer» A. Mean cannot be found
discuss
4.

Which of the following is true?

A. Median cannot be located in an open ended distribution
B. Median is badly affected by extreme values
C. Median is not affected by extreme values
D. All of the above
Answer» C. Median is not affected by extreme values
discuss
5.

Which one of the following is a positional average?

A. Geometric mean
B. Harmonic mean
C. Median
D. None of the above
Answer» C. Median
discuss
6.

Which one of the following is not a mathematical average?

A. Geometric mean
B. Harmonic mean
C. Arithmetic mean
D. Median
Answer» D. Median
discuss
7.

Which of the following is/are a mathematical averages?

A. Geometric mean
B. Harmonic mean
C. Arithmetic mean
D. All of the above
Answer» D. All of the above
discuss
8.

Choose the correct answer

A. HM≥GM≥AM
B. HM≤GM≤AM
C. GM>HM>AM
D. None of the above
Answer» B. HM≤GM≤AM
discuss
9.

The relationship between median, arithmetic mean and mode is

A. Mode = 2Median – 3Mean
B. Mode = 3Median – 2Mean
C. Median= 3Mode – 2Mean
D. Mean = 3Median – 2Mode
Answer» B. Mode = 3Median – 2Mean
discuss
10.

If Arithmetic mean = 20 and Median = 25. Then, the value of Mode is equal to__

A. 22.5
B. 20.5
C. 30.0
D. None of the above
Answer» D. None of the above
discuss
11.

The averages are affected by change of:

A. Origin
B. Scale
C. Both (a) and (b
D. None of the above
Answer» C. Both (a) and (b
discuss
12.

The suitable average for qualitative data is:

A. Mean
B. Median
C. Mode
D. Geometric mean
Answer» B. Median
discuss
13.

Suitable average for averaging the shoe sizes for children is:

A. Mean
B. Mode
C. Median
D. Geometric mean
Answer» B. Mode
discuss
14.

In a given data the average which has the least value is

A. Mean
B. Median
C. Harmonic mean
D. Geometric mean
Answer» C. Harmonic mean
discuss
15.

The most commonly occurring value in a group of distribution is known as

A. Median
B. Mode
C. Mean
D. None of the above
Answer» B. Mode
discuss
16.

Demerit of arithmetic mean is that

A. It is not based on all observations
B. It is not amendable to algebraic treatment
C. It is not rigidly defined
D. It is affected very much by extreme values
Answer» D. It is affected very much by extreme values
discuss
17.

Which of the following is not a measure of dispersion?

A. Range
B. Inter Quartile Range
C. Mean Deviation
D. None of the above
Answer» D. None of the above
discuss
18.

Which one of the following statement is not true in regard to Mean Deviation?

A. It does not take into account the algebraic sign(+ or -
B. It can be computed from median or mode or mean
C. (a) and (b
D. None of the above
Answer» C. (a) and (b
discuss
19.

If a distribution is characterized by _______, then it is apositively skewed distribution

A. Mean >Median > Mode
B. Mean <Median< Mode
C. Mean = Median = Mode
D. None of the above
Answer» A. Mean >Median > Mode
discuss
20.

The information Mean = 46, Median = 48 and Mode = 53 describe a

A. Positively skewed distribution
B. Negatively skewed distribution
C. Leptokurtic distribution
D. None of the above
Answer» B. Negatively skewed distribution
discuss
21.

In case of a symmetrical distribution,

A. Mean >Median > Mode
B. Mean <Median< Mode
C. Mean = Median = Mode
D. None of the above
Answer» C. Mean = Median = Mode
discuss
22.

Choose correct combination from Group A and B
Group A Group B
(1) Mesokurtic (i) The slender, higher than the normal curve
(2) Platykurtic (ii) The Normal distribution
(3) Leptokurtic (iii) The flat-topped, broader than the normal curve

A. (1) and (i), (2) and (ii), (3) and (iii
B. (1) and (ii), (2) and (i), (3) and (iii
C. (1) and (ii), (2) and (iii), (3) and (i
D. None of the above
Answer» C. (1) and (ii), (2) and (iii), (3) and (i
discuss
23.

Which one of the following statement is/are true for the standard deviation?
1) It is independent on change of scale
2) It is independent on change of origin
3) It is the minimum root-mean-square deviation

A. (1) only
B. (1) and (2) only
C. (2) and (3) only
D. All of them
Answer» C. (2) and (3) only
discuss
24.

The algebraic sum of the deviations of a set of values from their arithmetic mean is______

A. Always one
B. Always positive
C. Always zero
D. Always negative
Answer» C. Always zero
discuss
25.

A measure of dispersion gives some idea about ______

A. The size of average mean
B. The size of the median
C. The size of the modal class
D. None of the above
Answer» D. None of the above
discuss
26.

Standard deviation is the square root of the arithmetic average of the squares of the deviations measured from the_______

A. Mean
B. Mode
C. Median
D. All of the above
Answer» A. Mean
discuss
27.

Quartile deviation ignores ____ of the data

A. 75%
B. 60%
C. 55%
D. 50%
Answer» D. 50%
discuss
28.

The variance is

A. Same as standard deviation
B. Square root of the standard deviation
C. Square of the standard deviation
D. None of the above
Answer» C. Square of the standard deviation
discuss
29.

50% of the values in a distribution are

A. Above the median value
B. Below the mode value
C. Above mean value
D. Below mean value
Answer» A. Above the median value
discuss
30.

If any of the observations is zero, then the Geometric mean is equal to

A. Mean
B. Median
C. Mode
D. Zero
Answer» D. Zero
discuss
31.

A person drives for 200kms at a speed of 30km/hour. He drives another 200kms at a speed of 20km/hour. The appropriate measure for calculating average mean is___

A. Mean
B. Harmonic mean
C. Geometric mean
D. All of the above
Answer» B. Harmonic mean
discuss
32.

Quartile deviation is______ of the Standard deviation

A. 0.6745
B. 0.7979
C. 0.50
D. None of the above
Answer» A. 0.6745
discuss

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