Explore topic-wise MCQs in Statistics .

This section includes 141 Mcqs, each offering curated multiple-choice questions to sharpen your Statistics knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the measures given here are based on every item of the series (uses all observations)?

A. Range
B. Standard Deviation
C. Quartile Deviation
D. All of them
Answer» C. Quartile Deviation
2.

Which of these is a relative measure of dispersion_____________?

A. Standard Deviation
B. Variance
C. Coefficient of Variation
D. None of these
Answer» D. None of these
3.

Which of these represent qualitative data______________?

A. Height of a student
B. Liking or disliking of (500) persons of a product
C. Income of a government servant in a city
D. Yield from a wheat plot
Answer» C. Income of a government servant in a city
4.

Which one is the not measure of dispersion?

A. The Range
B. 50th Percentile
C. Inter-Quartile Range
D. Variance
Answer» C. Inter-Quartile Range
5.

Which one of the following measurement does not divide a set of observations into equal parts ?

A. Quartiles
B. Standard Deviations
C. Percentiles
D. Deciles
E. Median
Answer» C. Percentiles
6.

You asked five of your classmates about their height. On the basis of this information, you states the average height of all student 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
7.

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
8.

Which of the following Measure of Averages is not based on all the values given in the data set?

A. Arithmetic Mean
B. Geometric Mean
C. Median
D. Mode
E. Both C. and D.
Answer» F.
9.

Which of the following Measure of averages is affected by extreme (very small or very largE. values in data set?

A. Geometric Mean
B. Median
C. Arithmetic Mean
D. Harmonic Mean
E. Mode
Answer» D. Harmonic Mean
10.

Which of the following is not based on all the observations ?

A. Arithmetic Mean
B. Geometric Mean
C. Harmonic Mean
D. Weighted Mean
E. Mode
Answer» F.
11.

Which of the following is not a measure of central tendency ?

A. Percentile
B. Quartile
C. Standard deviation
D. Mode
Answer» D. Mode
12.

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
13.

Which of the following describe the middle part of a group of numbers ?

A. Measure of Variability
B. Measure of Central Tendency
C. Measure of Association
D. Measure of Shape
Answer» C. Measure of Association
14.

Which of the following cannot be less than zero (negative)?

A. Median
B. Geometric Mean
C. Arithmetic Mean
D. Harmonic Mean
E. Mode
Answer» C. Arithmetic Mean
15.

Which branch of statistics deals with the techniques that are used to organize, summarize, and present the data?

A. Advance Statistics
B. Descriptive Statistics
C. Inferential Statistics
D. Bayesian Statistics
Answer» C. Inferential Statistics
16.

When data are collected in a statistical study for only a portion or subset of all elements of interest we are using?

A. A sample
B. A Parameter
C. A Population
D. Both b and c
Answer» B. A Parameter
17.

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
18.

Variance remains unchanged by change of________________?

A. Origin
B. Scale
C. Both
D. None of these
Answer» B. Scale
19.

Variance is always calculated from___________?

A. Mean
B. Variance
C. Geometric Mean
D. Median
E. Mode
Answer» B. Variance
20.

Var(2X+3) is________________?

A. 5 Var(X)
B. 4 Var(X)
C. 4 Var(X)+3
D. 5 Var(X)+3
Answer» C. 4 Var(X)+3
21.

Usually measurements give rise to ________ data?

A. Discrete
B. Specific
C. Continuous
D. Constant
Answer» D. Constant
22.

_________ used the word statistics for the first time during one of his lectures at a German university?

A. Fisher
B. unavoidable
C. Feet
D. Achenwall
Answer» E.
23.

Use of Statistics in planning is ____________?

A. Useless
B. Various Methods
C. Unavoidable
D. Samples
Answer» D. Samples
24.

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
25.

The word statistics is defined as_____________?

A. Singular Sense
B. Plural Sense
C. Singular as well as plural sense
D. Non of these
Answer» D. Non of these
26.

The word statistics is at present used in _______________?

A. Two ways
B. Four ways
C. Six ways
D. Three way
Answer» E.
27.

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
28.

The variance of a constant is_______________?

A. Zero
B. Constant
C. a
D. None
Answer» B. Constant
29.

The variance of 5 numbers is 10. If each number is divided by 2, then the variance of new numbers is______________?

A. 20
B. 5
C. 2.5
D. 5.5
E. 0
Answer» D. 5.5
30.

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
31.

The sum of the deviations about the mean is always______________?

A. Range
B. Zero
C. Total Standard Deviation
D. Positive
E. Negative
Answer» C. Total Standard Deviation
32.

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

A. Mean
B. Mode
C. Median
D. Variance
Answer» B. Mode
33.

The sum of squared deviation is least from_________________?

A. Median
B. Mean
C. Mode
D. Standard Deviation
Answer» C. Mode
34.

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
35.

The standard deviation is always _________ than mean deviation?

A. Greater
B. Less
C. Equal
D. None
Answer» B. Less
36.

The Number of road accidents is the example of____________?

A. variable
B. Constant
C. Discrete variable
D. Continuous variable
Answer» D. Continuous variable
37.

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
38.

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
39.

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

A. Mode
B. Mean
C. Median
D. Mid Point
Answer» D. Mid Point
40.

The measure of dispersion is changed by a change of_____________?

A. Origin
B. Scale
C. Algebraic Signs
D. None
Answer» C. Algebraic Signs
41.

The measure of Dispersion can never be________________?

A. Positive
B. Negative
C. 0
D. 1
Answer» C. 0
42.

The mean of a distribution is 23, the median is 24, and the mode is 25.5. It is most likely that this distribution is_____________?

A. Positively Skewed
B. Symmetrical
C. Asymptotic
D. Negatively Skewed
Answer» E.
43.

The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient of variation ?

A. 60.4%
B. 48.3%
C. 35.7%
D. 27.8%
Answer» D. 27.8%
44.

The mean of a constant “b” is_________________?

A. Zero
B. b
C. None
Answer» C. None
45.

The mean of 10 numbers is 9, then sum of these numbers will be__________________?

A. 9
B. 0.9
C. 70
D. 90
Answer» E.
46.

The mean deviation of the values, 18, 12, 15 is____________?

A. 6
B. Zero
C. 3
D. 2
Answer» E.
47.

The height of a student is 60 inches. This is an example of________________?

A. Qualitative data
B. Categorical data
C. Continuous data
D. Discrete data
Answer» D. Discrete data
48.

The Harmonic Mean of any two numbers is________________?

A. a+b2
B. 2aba+b
C. ab−−√
D. a+b
Answer» C. ab−−√
49.

The grouped data is also called_____________?

A. Raw data
B. Primary data
C. Secondary data
D. Qualitative data
Answer» D. Qualitative data
50.

The Geometric Mean of -2, 4, 03, 6, 0 will be______________?

A. -3
B. 0
C. 3
D. Cannot be Computed
E. None of these
Answer» E. None of these