Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

The algebraic sum of deviations from mean is_____________?

A. Maximum
B. Zero
C. Minimum
D. Undefined
Answer» C. Minimum
2.

A measure of dispersion is always ________________?

A. Zero
B. Positive
C. Negative
D. Infinity
Answer» C. Negative
3.

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
4.

The measure of dispersion is changed by a change of_____________?

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

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
7.

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.
8.

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
9.

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
10.

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

A. Advanced Statistics
B. Probability Statistics
C. Inferential Statistics
D. Descriptive Statistics
E. Bayesian Statistics
Answer» E. Bayesian Statistics
11.

In statistics, conducting a survey means_____________?

A. Collecting information from elements
B. Making mathematical calculations
C. Drawing graphs and pictures
D. None of the above
Answer» B. Making mathematical calculations
12.

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

A. 6
B. Zero
C. 3
D. 2
Answer» E.
13.

Data in the Population Census Report is____________?

A. Grouped data
B. Ungrouped data
C. Secondary data
D. Primary data
E. Arrayed data
Answer» E. Arrayed data
14.

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
15.

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.
16.

The first hand and unorganized form of data is called_______________?

A. Secondary data
B. Organized data
C. Primary data
D. None of these
Answer» D. None of these
17.

Life of a T.V picture tube is a____________?

A. Discrete variable
B. Continuous variable
C. Qualitative variable
D. Constant
Answer» C. Qualitative variable
18.

The grouped data is also called_____________?

A. Raw data
B. Primary data
C. Secondary data
D. Qualitative data
Answer» D. Qualitative data
19.

Dependence of difference on statistics is for_______________?

A. Two reasons
B. Short run
C. Three reasons
D. Natural Sciences
Answer» D. Natural Sciences
20.

Continuous variable can assume __________ value?

A. All possible
B. Constant
C. Accuracy
D. Specific
Answer» B. Constant
21.

Data being used by an agency which is originally collected by them are _______ data?

A. Quantitative
B. Primary
C. Discrete
D. Secondary
Answer» C. Discrete
22.

Usually measurements give rise to ________ data?

A. Discrete
B. Specific
C. Continuous
D. Constant
Answer» D. Constant
23.

Results obtained by counting are_____________?

A. Continuous
B. Discrete
C. Both (a) and (b)
D. None of these
Answer» C. Both (a) and (b)
24.

making a entrance slip in service hospital is the method of collection of data by______________?

A. Registration
B. Entry
C. Correspondents
D. none of these
Answer» B. Entry
25.

Statistical Laws are valid in the ________________?

A. Long run
B. Plural sense
C. indefinite
D. Short run
Answer» B. Plural sense
26.

The word statistics is at present used in _______________?

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

Statistics laws are true for______________?

A. Short run
B. Long run
C. Medium period
D. None of these
Answer» C. Medium period
28.

_________ 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.
29.

A characteristics that does not change is called______________?

A. variable
B. Attribute
C. Constant
D. None of these
Answer» D. None of these
30.

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%
31.

_________ statistics deals with collection, presentation and analysis of data?

A. Inferential
B. Descriptive
C. Collection
D. Two
Answer» C. Collection
32.

Sum of dots when two dice are rolled is____________?

A. a discrete variable
B. a continuous variable
C. a constant
D. a qualitative variable
Answer» B. a continuous variable
33.

Eyes color of employees is the example of____________?

A. Continuous variable
B. Constant variable
C. Discrete variable
D. Attribute
Answer» E.
34.

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
35.

Data published by Bureau of statistics in its publications are _______________?

A. Secondary data
B. Discrete data
C. Continuous data
D. None
Answer» E.
36.

Statistics is the backbone of_____________?

A. Economics
B. Mathematics
C. Research
D. Computer
Answer» D. Computer
37.

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
38.

If the standard deviation of a population is 9, the population variance is_____________?

A. 9
B. 3
C. 21
D. 81
Answer» E.
39.

If a distribution is abnormally tall and peaked, then is can be said that the distribution is_____________?

A. Leptokurtic
B. Pyrokurtic
C. Platykurtic
D. Mesokurtic
Answer» B. Pyrokurtic
40.

f1x12 + f2x22 + —————+ fxx42=___________?

A. Σu1=1 ƒ ixi2
B. Σni-1 ƒ ixi2
C. Σpi=1 ƒ ixi2
D. Σmi=1 ƒ ixi2
Answer» B. Σni-1 ƒ ixi2
41.

Data regarding opinions of consumers about some product obtained through lady workers are ____________?

A. Cheapest method
B. Existing Sources
C. Primary
D. Secondary
Answer» C. Primary
42.

In inferential statistics, we study____________?

A. the methods to make decisions about population based on sample results
B. how to make decisions about mean, median, or mode
C. how a sample is obtained from a population
D. None of the above
Answer» B. how to make decisions about mean, median, or mode
43.

In statistics, a sample means______________?

A. A portion of the sample
B. A portion of the population
C. all the items under investigation
D. none of the above
Answer» C. all the items under investigation
44.

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
45.

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

A. Percentile
B. Quartile
C. Standard deviation
D. Mode
Answer» D. Mode
46.

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
47.

A chance variation in an observational process is_____________?

A. Dispersion/ Variability
B. Measurement error
C. Random error
D. Instrument error
Answer» D. Instrument error
48.

Statistics tests the law of ____________?

A. Other sciences
B. physics
C. Business
D. Literary subjects
Answer» B. physics
49.

A constant variable can take values______________?

A. Zero
B. Fixed
C. Not fixed
D. Nothing
Answer» C. Not fixed
50.

A parameter is a measure which is computed from___________?

A. Population data
B. Sample data
C. Test statistics
D. None of these
Answer» B. Sample data