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200+ Psychological Statistics Solved MCQs

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Science in Counselling Psychology (BSc Counselling Psychology) .

101.

_____ is defined as half the distance between the third quartile and the first quartile.

A. SD
B. QD
C. MD
D. range
Answer» B. QD
102.

_____ is defined as the arithmetic mean of deviations of all items in a series from their average.

A. Quartile deviation
B. Mean deviation
C. Range
D. Standard deviation
Answer» B. Mean deviation
103.

The standard deviation of the series 5, 8, 7, 11, 9, 10, 8, 2, 4, 6 is

A. 2.646
B. 2.466
C. 2.664
D. 2.7
Answer» A. 2.646
104.

The mean deviation from mean for the values 25, 63, 85, 75, 62, 70, 83, 28, 30, 12 is

A. 22.64
B. 23.64
C. 20.36
D. 20.64
Answer» B. 23.64
105.

Standard deviation when expressed as percentage ratio to ____ we get coefficient of variation.

A. Mean
B. Median
C. Coefficient of MD
D. Coefficient of SD
Answer» A. Mean
106.

While finding deviation from average, the sign is ignored in

A. Standard deviation
B. Mean deviation
C. Quartile deviation
D. Coefficient of mean deviation
Answer» B. Mean deviation
107.

Standard deviation for a set of equal value is

A. 1
B. 2
C. 3
D. 0
Answer» D. 0
108.

If N=10, mean=12, ∑x2= 1530, the co-efficient of variation is

A. 20
B. 15
C. 25
D. 10
Answer» C. 25
109.

In a symmetrical frequency distribution, the number of items above and below the mean would be

A. Same
B. Not the same
C. Equal to the mean
D. More or less same
Answer» A. Same
110.

In a symmetrical distribution, mean, median and mode lie at the ____ of the distribution

A. Left
B. Right
C. Centre
D. Either (a) or (b)
Answer» C. Centre
111.

For a frequency distribution, what will be the mean if median=132.8 and mode=141.3 ?

A. 128.55
B. 125.55
C. 120
D. 122
Answer» A. 128.55
112.

The word Statistics is derived from ……………….

A. Latin word ‘Status’
B. Italian word ‘Statista’
C. German word ‘Statistik’
D. All of the above
Answer» D. All of the above
113.

The word ‘Statistics’ refers to ………….

A. Numerical facts or data
B. A method of dealing with quantitative information
C. Both a and b
D. None of these
Answer» C. Both a and b
114.

Definitions of the word ‘Statistics’ can be classified into

A. Two
B. Three
C. Four
D. None of these
Answer» A. Two
115.

In singular sense ‘Statistics’ is considered as …………….

A. Statistical data
B. Statistical methods
C. Both a and b
D. None of these
Answer» B. Statistical methods
116.

Which of the following is an example of statistical data?

A. Data of birth rate
B. Data of agricultural product
C. Data of school dropouts
D. All of the above
Answer» D. All of the above
117.

“The science of collection, organization, presentation, analysis and interpretation of numerical data”, is a definition of statistics in ………………. Sense.

A. singular
B. plural
C. classical
D. None of these
Answer» A. singular
118.

The data collected by the investigator himself/herself is called

A. secondary data
B. Statistical data
C. Primary data
D. None of these
Answer» C. Primary data
119.

Arrange the stages of statistical investigation in correct order
(i) presentation
(ii) organization
(iii) collection
(iv) interpretation
(v) Analysis

A. (i), (ii), (iii), (iv), (v)
B. (i), (iii), (ii), (v), (iv)
C. (i), (iii), (ii), (iv), (v)
D. (iii), (ii), (i), (v), (iv)
Answer» D. (iii), (ii), (i), (v), (iv)
120.

Drawing conclusion from the data collected is called

A. Analysis
B. organization
C. Tabulation
D. Interpretation
Answer» D. Interpretation
121.

Which of the following is application of Statistics in Psychology

A. Construction and Standardization of psychological tools
B. Conducting experiments or surveys and arriving at conclusions
C. Interpretation and proper use of results of research
D. All of the above
Answer» D. All of the above
122.

Statistical methods help a researcher for which of the following?

A. Making the procedure definite and exact
B. Summarizing results
C. Drawing general conclusion
D. All of the above
Answer» D. All of the above
123.

Which of the following is not a pre requisite for studying procedure for using statistical methods?

A. Being a scholar in Mathematics
B. Knowledge of nature of variables
C. Knowledge of types of measurement
D. Knowledge of theory of probability
Answer» A. Being a scholar in Mathematics
124.

Which of the following is a reason for misuse of statistics?

A. Data can be manipulated
B. Figures are convincing
C. Figures can be used to mislead readers
D. All of the above
Answer» D. All of the above
125.

The process of learning about the population on the basis of a sample drawn from it is known as

A. Experiment
B. Sampling
C. Learning process
D. Research
Answer» B. Sampling
126.

In sampling what amongst the following is studied?

A. Only a part of the population
B. Every unit of the population
C. No unit of the population
D. None of these
Answer» A. Only a part of the population
127.

Which of the following is not an example of sampling?

A. Blood test
B. class test
C. urine test
D. Testing for the boiling of rice
Answer» B. class test
128.

Which of the following is a merit of sampling?

A. Economical
B. Reliable results
C. Detailed Information
D. All of the above
Answer» D. All of the above
129.

Which of the following is not a limitation of sampling?

A. Less accurate
B. Need experts in the field
C. Appropriate for large population
D. Misleading conclusions
Answer» C. Appropriate for large population
130.

Which of the following is not the criteria to determine the appropriateness of sampling technique?

A. Where census is not feasible
B. where there is vast data
C. Where census is feasible
D. Homogeneity
Answer» C. Where census is feasible
131.

Which of the following is not a type of probability sampling?

A. Simple random sampling
B. Systematic sampling
C. Quota sampling
D. Stratified sampling
Answer» C. Quota sampling
132.

A sampling technique in which each every item of the population is given an equal chance of being included in the sample is called

A. Systematic sampling
B. Stratified sampling
C. Simple random sampling
D. cluster sampling
Answer» C. Simple random sampling
133.

Which of the following methods is used to select a random sample?

A. Lottery method
B. Tippett’s Table
C. Both a and b
D. None of these
Answer» C. Both a and b
134.

Which of the following is not an element of sampling?

A. Selection of the sample
B. Collection of information about the sample
C. Making an inference about the population
D. Making use of the inference
Answer» D. Making use of the inference
135.

Which of the following is not a table of random numbers?

A. Tippett’s table
B. Fisher and Yate’s Numbers
C. Kendall and Babington Smitt numbers
D. None of these
Answer» D. None of these
136.

Which of the following is a demerit of random sampling?

A. personal bias does not affect result
B. More accurate representation of population than non-probability sampling
C. A completely catalogued population is needed
D. Accuracy of estimation can be determined by the researcher
Answer» C. A completely catalogued population is needed
137.

In which of the following methods the entire population is divided into a no. of groups?

A. Simple random sampling
B. Cluster sampling
C. Stratified sampling
D. Systematic sampling
Answer» C. Stratified sampling
138.

A variation of simple random sampling is called ………….. sampling.

A. Cluster
B. Systematic
C. Starified
D. Two stage
Answer» B. Systematic
139.

In which of the following methods one unit is selected randomly and additional units are selected at evenly spaced intervals?

A. Simple random
B. Cluster
C. Systematic
D. None of these
Answer» C. Systematic
140.

Which of the following is not a merit of systematic sampling?

A. Simple and convenient
B. Economical
C. Results generally satisfactory
D. None of these
Answer» D. None of these
141.

Multi Stage Sampling is another name of ……………… Sampling.

A. Systematic Sampling
B. Random Sampling
C. Cluster Sampling
D. None of these
Answer» C. Cluster Sampling
142.

Which of the following Sampling methods is used in different stages?

A. Cluster
B. Simple random
C. Stratified
D. Systematic
Answer» A. Cluster
143.

If the population is infinite or very large, which of the following sampling units is used.

A. Stratified
B. Systematic
C. Simple random
D. Cluster
Answer» D. Cluster
144.

The sampling method which enables existing divisions and subdivisions of the population to be used as units at various stages is ……………

A. Systematic sampling
B. Simple random sampling
C. Cluster sampling
D. None of these
Answer» C. Cluster sampling
145.

Which of the following is not a nonprobability sampling?

A. Judgement sampling
B. Quota sampling
C. Convenience sampling
D. Multistage sampling
Answer» D. Multistage sampling
146.

In which of the following methods of sampling the choice of sample items depends exclusively on the judgement of the investigator?

A. Purposive sampling
B. Quota sampling
C. Convenience sampling
D. None of these
Answer» A. Purposive sampling
147.

Which of the following is not a demerit of judgement sampling?

A. Not scientific
B. Influenced by personal bias
C. No objective method to determine sampling error
D. Can be used in making public policy decisions
Answer» D. Can be used in making public policy decisions
148.

The investigator has complete freedom in choosing his sample according to his wishes and desires in

A. Judgemt sampling
B. Quota sampling
C. Convenience sampling
D. Multiphase sampling
Answer» A. Judgemt sampling
149.

A sampling method in which sample elements are selected neither by probability method nor judgement but by convenience is called ………………

A. Accidental sampling
B. Purposive sampling
C. Quota sampling
D. None of these
Answer» A. Accidental sampling
150.

The results of a sample survey would be subject to …………………..

A. Sampling error
B. Nonsampling errors
C. Both a and b
D. None of these
Answer» C. Both a and b

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