Explore topic-wise MCQs in Statistics Mcqs.

This section includes 154 Mcqs, each offering curated multiple-choice questions to sharpen your Statistics Mcqs knowledge and support exam preparation. Choose a topic below to get started.

51.

The data collected by NADRA to issue National Identity cards are______________?

A. Official data
B. un-official data
C. Primary data
D. Secondary data
Answer» D. Secondary data
52.

Arithmetic Mean is___________affected by extreme values?

A. Not
B. Highly
C. Less
D. None of these
Answer» C. Less
53.

Village Patwari collecting the data about cotton crops is the example of_____________?

A. variable
B. Constant
C. Primary data
D. Secondary data
Answer» D. Secondary data
54.

In a distribution of 10, 20, 30, 40, 50, the x is 30, the sum of deviations from x will be:________?

A. 60
B. 30
C. Zero
D. 15
Answer» D. 15
55.

If any of the value in data set is negative then it is impossible to compute:_____________?

A. Arithmetic Mean
B. Harmonic Mean
C. Geometric Mean
D. Mode
E. Median
Answer» D. Mode
56.

To find the average speed of a journey which is the appropriate measure of central tendency?

A. Mean
B. Geometric Mean
C. Harmonic Mean
D. Weighted Mean
E. Mode
Answer» D. Weighted Mean
57.

Statistic is a numerical quantity, which is calculated from?

A. Population
B. Sample
C. Data
D. Observations
Answer» C. Data
58.

Most of the recent developments in statistics arose to meet the needs of ____________?

A. Biology
B. Three reasons
C. Hands
D. Physics
Answer» B. Three reasons
59.

Statistics Laws are true________________?

A. In each case
B. Average
C. Facts
D. Field
Answer» C. Facts
60.

The most repeated (popular) value in a data set is called___________?

A. Median
B. Mean
C. Mode
D. Geometric Mean
E. Harmonic Mean
Answer» D. Geometric Mean
61.

The sum of values divided by their number is called___________?

A. Median
B. Harmonic Mean
C. Mean
D. Mode
E. None of these
Answer» D. Mode
62.

A Constant can assume _______ value?

A. One
B. Four
C. More than value
D. Resindent
Answer» B. Four
63.

Age of a shopkeeper is the example of___________?

A. Qualitative
B. Quantitative data
C. Variable data
D. Continuous data
Answer» E.
64.

Variance is always calculated from___________?

A. Mean
B. Variance
C. Geometric Mean
D. Median
E. Mode
Answer» B. Variance
65.

In Statistics, a population consists of:_____________?

A. All People living in a country
B. All People living in the are under study
C. All subjects or objects whose characteristics are being studied
D. None of the above
Answer» D. None of the above
66.

___________ data are collected for the first time.

A. Research
B. Statistical
C. Secondary
D. Primary
Answer» E.
67.

Identify the attribute?

A. Blood group
B. Blood Pressure
C. Temperature of room
D. Religions of people of a country
Answer» E.
68.

Proportion becomes percentage when multiplied by___________?

A. 1/10
B. 1/1000
C. 1/100
D. 100
Answer» E.
69.

Marital status of an individual is the example of___________?

A. Attribute
B. Discrete variable
C. Continuous variable
D. Constant
Answer» B. Discrete variable
70.

In descriptive statistics, we study:

A. The description of decision making process
B. The methods for organizing, displaying, and describing data
C. How to describe the probability distribution
D. None of the above
Answer» C. How to describe the probability distribution
71.

In natural Sciences, statistics____________.

A. Has no role
B. Average
C. Plays an Important role
D. Study
Answer» D. Study
72.

The sum of squares of deviation is least if measure from__________?

A. Mean
B. Mode
C. Median
D. Variance
Answer» B. Mode
73.

The first moment about means is always_________________?

A. Zero
B. 1
C. Negative
D. None of these
Answer» B. 1
74.

If mean is 25 and standard deviation is 5 then C.V (Coefficient of variation) is_______________?

A. 100%
B. 25%
C. 20%
D. None of these
Answer» D. None of these
75.

In uni-model distribution, if mode is less than mean_______________?

A. Symmetrical
B. Normal
C. Positively Skewed
D. Negatively Skewed
Answer» D. Negatively Skewed
76.

The measure of Dispersion can never be________________?

A. Positive
B. Negative
C. 0
D. 1
Answer» C. 0
77.

If right tail is longer than left tail then distribution is called _________________?

A. Negatively Skewed
B. Positively Skewed
C. All of above
D. None of these
Answer» C. All of above
78.

The Coefficient of Skewness is always zero for ____________ distribution?

A. Symmetrical
B. Skewed
C. All of above
D. None of these
Answer» B. Skewed
79.

For Mesokurtic curve of the distribution, β2 is__________________?

A. Zero
B. 3
C. 4
D. None of these
Answer» C. 4
80.

______________is based on all observations of data?

A. Median
B. Mode
C. Mean
D. None of these
Answer» D. None of these
81.

Standard deviation is calculated from the Harmonic Mean (HM) ________________?

A. Always
B. Sometimes
C. Never
D. None of these
Answer» D. None of these
82.

Second moment about mean is_______________?

A. Standard Deviation
B. Variance
C. Coefficient of Variation
D. None of these
Answer» C. Coefficient of Variation
83.

Lack of symmetry is called_______________?

A. Absolute Dispersion
B. Relative Dispersion
C. Skewness
D. Non of these
Answer» D. Non of these
84.

The number of accidents in a city during 2012 is____________?

A. Discrete variable
B. Continuous variable
C. Qualitative variable
D. Constant
Answer» B. Continuous variable
85.

The middle value of an ordered array of numbers is the____________?

A. Mode
B. Mean
C. Median
D. Mid Point
Answer» D. Mid Point
86.

Life of a T.V picture tube is a:___________?

A. Discrete variable
B. Continuous variable
C. Qualitative variable
D. Constant
Answer» C. Qualitative variable
87.

According to the empirical rule, approximately what percent of the data should lie within μ±σ?

A. 75%
B. 99.7%
C. 90%
D. 95%
Answer» E.
88.

The weights of students in a college/school is a___________?

A. Discrete Variable
B. Continuous Variable
C. Qualitative Variable
D. None of these
Answer» C. Qualitative Variable
89.

Which of the following divides a group of data into four subgroups?

A. Percentiles
B. Deciles
C. Median
D. Quartiles
E. Standard Deviation
Answer» E. Standard Deviation
90.

The data which have already been collected by some one are called____________?

A. Raw data
B. Array data
C. Secondary data
D. Fictitious data
Answer» D. Fictitious data
91.

If X and Y are independent then SD (X − Y) is________________?

A. SD(X)−SD(Y)
B. SD(X)+SD(Y)
C. SD(X)+SD(Y)−−−−−−−−−−−−−−√
D. Var(X)+Var(Y)−−−−−−−−−−−−−−−√
Answer» C. SD(X)+SD(Y)−−−−−−−−−−−−−−√
92.

If all values are same then the measure of dispersion will be________________?

A. 1
B. 0
C. Mean
D. Mode
E. Median
Answer» C. Mean
93.

_____________is used to compare the variation or dispersion in two or more sets of data even though they are measured in different units?

A. Range
B. Standard Deviation
C. Coefficient of Variation
D. Mean Deviation
Answer» D. Mean Deviation
94.

If the standard deviation of the values 2, 4, 6, 8 is 2.58, then the standard deviation of the values 4, 6, 8, 10 is_______________?

A. 0
B. 2.58
C. 5
D. 4.66
E. 2.33
Answer» C. 5
95.

Lowest value of variance can be________________?

A. 1
B. -1
C. 3
D. -3
E. 0
Answer» F.
96.

If a and b are two constants, then Var(a+bX) is_______________?

A. a±bVar(X)
B. Var(a)±Var(X)
C. ±bVar(X)
D. b2Var(X)
E. (a±b)Var(X)
Answer» E. (a±b)Var(X)
97.

Variance remains unchanged by change of________________?

A. Origin
B. Scale
C. Both
D. None of these
Answer» B. Scale
98.

The sum of squared deviations of a set of n values from their mean is__________________?

A. Zero
B. Maximum
C. Least
D. None
Answer» D. None
99.

You asked five of your classmates about their height. On the basis of this information, you stated that the average height of all students in your university or college is 67 inches. This is an example of ?

A. Descriptive statistics
B. Inferential Statistics
C. Parameter
D. Population
Answer» C. Parameter
100.

Mean Deviation, Variance and Standard Deviation of the values 4, 4, 4, 4, 4, 4 is_________________?

A. 4
B. 8
C. 2
D. 12
E. 0
Answer» F.