180+ Quantitative Techniques 2 Solved MCQs

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

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51.	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

52.	The suitable average for qualitative data is:
A.	Mean
B.	Median
C.	Mode
D.	Geometric mean
Answer» B. Median

discuss

53.	Suitable average for averaging the shoe sizes for children is:
A.	Mean
B.	Mode
C.	Median
D.	Geometric mean
Answer» B. Mode

discuss

54.	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

55.	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

56.	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

57.	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

58.	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

59.	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

60.	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

61.	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

62.	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

63.	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

64.	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

65.	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

66.	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

67.	Quartile deviation ignores ____ of the data
A.	75%
B.	60%
C.	55%
D.	50%
Answer» D. 50%

discuss

68.	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

69.	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

70.	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

71.	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

72.	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

73.	The outcome of tossing a coin is a
A.	Simple event
B.	Mutually exclusive event
C.	Compound event
D.	Complementary event
Answer» A. Simple event

discuss

74.	What is the probability of getting exactly one head in a single throw of two unbiased coins?
A.	1/2
B.	1/4
C.	3/4
D.	1
Answer» A. 1/2

discuss

75.	What is the probability of getting a black king from a standard pack of 52 cards?
A.	1/52
B.	2/52
C.	4/52
D.	None of the above
Answer» B. 2/52

discuss

76.	What is the probability of getting exactly two tails in a single throw of 3 coins?
A.	1/8
B.	2/8
C.	3/8
D.	2/6
Answer» C. 3/8

discuss

77.	The value of probability lies between
A.	0 and ∞
B.	-1 and +1
C.	0 and 1
D.	1 and 100
Answer» C. 0 and 1

discuss

78.	If a ball is drawn at random from a bag containing 4 white, 7 green and 10 black balls, what is the probability that it is a green ball?
A.	7/21
B.	4/21
C.	7/7
D.	1/21
Answer» A. 7/21

discuss

79.	The probability of the simultaneous occurrence of two events A and B is
A.	P(A) + P(B
B.	P(A) + P(B) – P(A∩B
C.	P(A) – P(B
D.	P(A) P(B/A), P(A) ≠0
Answer» A. P(A) + P(B

discuss

80.	_________ is calculated on the basis of past experience and on experiment conducted.
A.	Classical probability
B.	Empirical probability
C.	Modern approach to probability
D.	None of the above
Answer» B. Empirical probability

discuss

81.	Permutation refers to
A.	Arrangements
B.	Groups
C.	Outcomes
D.	Events
Answer» A. Arrangements

discuss

82.	In probability theories, events which can never occur together are called
A.	Dependent events
B.	Independent events
C.	Mutually exclusive events
D.	Non-mutually exclusive events
Answer» C. Mutually exclusive events

discuss

83.	If the happening of an event is not affected by the happening of other events, it is said to be
A.	A dependent events
B.	An independent events
C.	Mutually exclusive events
D.	Exhaustive cases
Answer» B. An independent events

discuss

84.	If it is known that an event A has occurred, the probability of an event B given A is called
A.	Classical probability
B.	Statistical probability
C.	Posteriori probability
D.	Conditional probability
Answer» D. Conditional probability

discuss

85.	In a discrete probability distribution, the random variables are
A.	Natural numbers
B.	Whole numbers
C.	Imaginary numbers
D.	Rational numbers
Answer» B. Whole numbers

discuss

86.	Binomial distribution is a ________ distribution.
A.	Discrete probability
B.	Continuous probability
C.	Nonparametric discrete probability
D.	None of the above
Answer» A. Discrete probability

discuss

87.	The parameters involved in binomial distribution is/are
A.	n
B.	p and q
C.	n, p and q
D.	n and p
Answer» D. n and p

discuss

88.	It is suitable to use binomial distribution for
A.	Large value of ‘n’
B.	Small value of ‘n’
C.	Fractional value of ‘n’
D.	Any value of ‘n’
Answer» B. Small value of ‘n’

discuss

89.	In a binomial distribution, if ‘n’ is the number of trials and ‘p’ is the probability of success, then the mean value is given by
A.	n
B.	√np
C.	np
D.	npq
Answer» C. np

discuss

90.	The variance of binomial distribution can be express as
A.	pqr
B.	np
C.	npq
D.	none of the above.
Answer» C. npq

discuss

91.	The standard deviation of binomial distribution is express as
A.	npq
B.	√np
C.	�𝑛𝑛𝑛𝑛𝑛𝑛
D.	Pq
Answer» C. �𝑛𝑛𝑛𝑛𝑛𝑛

discuss

92.	Variance of binomial distribution is maximum when
A.	p < q
B.	p = q
C.	p > q
D.	none of the above
Answer» B. p = q

discuss

93.	Poisson distribution is a ________ distribution.
A.	Discrete probability
B.	Continuous probability
C.	Bi-parametric discrete probability
D.	None of the above
Answer» A. Discrete probability

discuss

94.	A family of parametric distributions in which mean is equal to variance is
A.	Binomial distribution
B.	Poisson distribution
C.	Normal distribution
D.	All of the above.
Answer» B. Poisson distribution

discuss

95.	Poisson distribution is
A.	Positively skewed distribution
B.	Negatively skewed distribution
C.	Not skewed distribution
D.	All of the above
Answer» A. Positively skewed distribution

discuss

96.	Poisson distribution has only one parameter which is the
A.	Mean
B.	Variance
C.	Standard variation
D.	Mode
Answer» A. Mean

discuss

97.	If ‘m’ is the mean of a Poisson distribution, the variance is given by
A.	m2
B.	m
C.	√m
D.	m/2
Answer» B. m

discuss

98.	Poisson distribution with regard to peakedness is
A.	Platykurtic
B.	Mesokurtic
C.	Leptokurtic
D.	Depends on value of its parameter
Answer» C. Leptokurtic

discuss

99.	The outcomes of tossing a coin five times are a variable of the type
A.	Continuous random variable
B.	Discrete random variable
C.	Neither discrete nor continuous random variable
D.	Discrete as well as continuous random variable
Answer» B. Discrete random variable

discuss

100.	Which of the following is a continuous distribution
A.	Poisson distribution
B.	Binomial distribution
C.	Normal distribution
D.	All of the above
Answer» C. Normal distribution

discuss

180+ Quantitative Techniques 2 Solved MCQs

The averages are affected by change of:

The suitable average for qualitative data is:

Suitable average for averaging the shoe sizes for children is:

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

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

Demerit of arithmetic mean is that

Which of the following is not a measure of dispersion?

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

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

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

In case of a symmetrical distribution,

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

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

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

A measure of dispersion gives some idea about ______

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

Quartile deviation ignores ____ of the data

The variance is

50% of the values in a distribution are

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

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___

Quartile deviation is______ of the Standard deviation

The outcome of tossing a coin is a

What is the probability of getting exactly one head in a single throw of two unbiased coins?

What is the probability of getting a black king from a standard pack of 52 cards?

What is the probability of getting exactly two tails in a single throw of 3 coins?

The value of probability lies between

If a ball is drawn at random from a bag containing 4 white, 7 green and 10 black balls, what is the probability that it is a green ball?

The probability of the simultaneous occurrence of two events A and B is

_________ is calculated on the basis of past experience and on experiment conducted.

Permutation refers to

In probability theories, events which can never occur together are called

If the happening of an event is not affected by the happening of other events, it is said to be

If it is known that an event A has occurred, the probability of an event B given A is called

In a discrete probability distribution, the random variables are

Binomial distribution is a ________ distribution.

The parameters involved in binomial distribution is/are

It is suitable to use binomial distribution for

In a binomial distribution, if ‘n’ is the number of trials and ‘p’ is the probability of success, then the mean value is given by

The variance of binomial distribution can be express as

The standard deviation of binomial distribution is express as

Variance of binomial distribution is maximum when

Poisson distribution is a ________ distribution.

A family of parametric distributions in which mean is equal to variance is

Poisson distribution is

Poisson distribution has only one parameter which is the

If ‘m’ is the mean of a Poisson distribution, the variance is given by

Poisson distribution with regard to peakedness is

The outcomes of tossing a coin five times are a variable of the type

Which of the following is a continuous distribution

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

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