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 positive square root of the mean of the squares of the deviations of observations from their mean iscalled____________

A. Variance
B. Range
C. Standard deviation
D. Coefficient of variation
Answer» E.
2.

Which of these represent qualitative data___________

A. Height of a student
B. Liking or disliking of (500) persons of a product
C. The income of a government servant in a city
D. Yield from a wheat plot
Answer» C. The income of a government servant in a city
3.

________ is the measure of average which can have more than one value____________

A. Mean
B. Median
C. Harmonic Mean
D. Mode
Answer» E.
4.

SSE can never be _____________

A. larger than SST
B. smaller than SST
C. equal to 1
D. equal to zero
Answer» B. smaller than SST
5.

The measure of dispersion which is expressed in terms of the units of the observations I called________Absolute measure

A. Variance
B. Relative measure
C. None of the above
D. All of the Above
Answer» B. Relative measure
6.

Which of the following is not cause of the correlation?____________

A. Direct relationship
B. Correlation due to any other common cause
C. Mutual Reaction
D. None of these
Answer» E.
7.

The sum of squared deviation is least from____________

A. Median
B. Mean
C. Mode
D. Standard Deviation
Answer» C. Mode
8.

Which of the following is an absolute measure of dispersion?___________

A. Coefficient of variation
B. Coefficient of dispersion
C. Standard deviation
D. Coefficient of skewness
Answer» D. Coefficient of skewness
9.

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

A. -3
B. 0
C. Cannot be Computed
D. None of these
Answer» D. None of these
10.

To enhance a procedure the control charts and procedures of descriptive statistics are classified into_______

A. Behavioural Tools
B. Serial Tools
C. Industry Statistics
D. Statistical Tools
Answer» B. Serial Tools
11.

Which of the following point is not related with the utility of correlation?________

A. Relation between two variables
B. Help in decision making
C. Useful in research work
D. All of these
Answer» E.
12.

If the coefficient of determination is a positive value, then the regression equation__________

A. must have a positive slope
B. must have a negative slope
C. could have either a positive or a negative slope
D. must have a positive y intercept
Answer» D. must have a positive y intercept
13.

Which mean is most affected by extreme values?____________

A. Geometric Mean
B. Harmonic Mean
C. Arithmetic mean
D. Trimmed Mean
Answer» D. Trimmed Mean
14.

Which measure of dispersion has a different unit other than the unit of measurement of values________

A. Range
B. Standard deviation
C. Variance
D. Mean deviation
Answer» C. Variance
15.

Study of scatteredness of observations is known as ________

A. Measure of dispersion
B. Standard deviation
C. Measure of central tendency
D. None of the above
Answer» B. Standard deviation
16.

When the two regression line coincide, then r is_________

A. 1
B. -1
C. None of these
Answer» D.
17.

Statistics branches include___________

A. Applied Statistics
B. Mathematical Statistics
C. Industry Statistics
D. Both A and B
Answer» E.
18.

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

A. Median
B. Mean
C. Mode
D. Geometric Mean
Answer» D. Geometric Mean
19.

The standard deviation is independent of_____________

A. Change of origin
B. Change of scale of measurement
C. Change of origin and scale of measurement
D. Difficult to tell
Answer» C. Change of origin and scale of measurement
20.

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
Answer» D. Mode
21.

In Uni-model distribution, if mode is less than mean, then the distribution will be__________

A. Symmetrical
B. Normal
C. Positively skewed
D. Negatively skewed
Answer» D. Negatively skewed
22.

When mean, median, and mode are identical, the distribution is___________

A. Positively Skewed
B. Negatively Skewed
C. Symmetrical Bivariate
D. Uniform
Answer» D. Uniform
23.

Which is a method of measuring correlation?________

A. Graphic correlation
B. Scatter diagrams
C. None of these
D. Both of these
Answer» E.
24.

The coefficient of correlation____________

A. is the square of the coefficient of determination
B. is the square root of the coefficient of determination
C. is the same as r-square
D. can never be negative
Answer» C. is the same as r-square
25.

The average of the squared deviations about the arithmetic mean for a set of numbers is__________

A. Standard deviation
B. Coefficient of mean deviation
C. Mean deviation
D. Variance
Answer» E.
26.

In regression analysis, if the independent variable is measured in kilograms, the dependent variable ______

A. must also be in kilograms
B. must be in some unit of weight
C. cannot be in kilograms
D. can be any units
Answer» E.
27.

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

A. 60.4%
B. 48.3%
C. 35.7%
D. 27.8%
Answer» C. 35.7%
28.

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

A. Positively Skewed
B. Symmetrical
C. Asymptotic
D. Negatively Skewed
Answer» E.
29.

The mean deviation is minimum when deviations are taken from____________

A. Mean
B. Mode
C. Median
D. Zero
Answer» E.
30.

The measures of dispersion are changed by the change of_______________

A. Scale
B. Origin
C. Unit
D. None of these
Answer» B. Origin
31.

The calculation of mean and variance is based on_____________

A. Small values only
B. Large values only
C. Extreme values only
D. All values
Answer» E.
32.

The ratio of the average deviations is called__________

A. Regression
B. Correlation
C. Skewness
D. All of these
Answer» B. Correlation
33.

Given below the four sets of observations. Which set has the minimum variation?____________

A. 46, 48, 50, 52, 54
B. 30, 40, 50, 60, 70
C. 40, 50, 60, 70, 80
D. 48, 49, 50, 51, 52
Answer» E.
34.

You asked five of your classmates about their height. On the basis of this information, you stated that theaverage 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
35.

Sum of square of the deviations about mean is___________

A. Maximum
B. Minimum
C. Zero
D. None of these
Answer» C. Zero
36.

Which of the following measurement scales is required for the valid calculation of Karl Pearson’scorrelation coefficient?__________

A. Ordinal
B. Interval
C. Ratio
D. Nominal
Answer» B. Interval
37.

In a regression and correlation analysis if r 2 = 1, then ___________

A. SSE = SST
B. SSE = 1
C. SSR = SSE
D. SSR = SST
Answer» E.
38.

Standard deviation is calculated from the Harmonic Mean (HM)____________

A. Always
B. Sometimes
C. Never
D. None of these
Answer» C. Never
39.

__________ is based on all observations of data

A. Median
B. Mode
C. Mean
D. None of these
Answer» D. None of these
40.

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
Answer» D. Mode
41.

Cumulative frequency is___________

A. Decreasing
B. Increasing
C. Different
D. None of these
Answer» E.
42.

………… provides the complete outline of the research report along withall details.

A. preliminary
B. body of the report
C. main text
D. methodology
Answer» D. methodology
43.

………………….. is also known as arithmetic average

A. dispersion
B. range
C. quartile
D. mean
Answer» E.
44.

………… of research problem is the first and most important step in theresearch process.

A. formulating
B. designing
C. selecting
D. reporting
Answer» B. designing
45.

…………… research aims at finding a solution for an immediate problemfacing a society.

A. applied
B. descriptive
C. qualitative
D. empirical
Answer» B. descriptive
46.

…………. bar charts are commonly used for presenting time series data.

A. vertical
B. horizontal
C. component
D. circle
Answer» B. horizontal
47.

….… is an indepth comprehensive study of a person, unit, institution etc.

A. content analysis
B. observation method
C. case-study
D. focus group study
Answer» D. focus group study
48.

………… presentation is particularly useful when the prospective readersare non-technical people or general public

A. graphic
B. table
C. qualitative
D. quantitative
Answer» B. table
49.

………………. is a positional average.

A. standard deviation
B. range
C. correlation
D. median
Answer» E.
50.

……………… is a measure that occurs most frequently in a distribution.

A. mean
B. average
C. mode
D. median
Answer» D. median