1. _____ is defined as half the distance between the third quartile and the first
quartile.
Correct : B. QD
2. _____ is defined as the arithmetic mean of deviations of all items in a series
from their average.
Correct : B. Mean deviation
3. The standard deviation of the series 5, 8, 7, 11, 9, 10, 8, 2, 4, 6 is
Correct : A. 2.646
4. The mean deviation from mean for the values 25, 63, 85, 75, 62, 70, 83, 28,
30, 12 is
Correct : B. 23.64
5. Standard deviation when expressed as percentage ratio to ____ we get
coefficient of variation.
Correct : A. Mean
6. While finding deviation from average, the sign is ignored in
Correct : B. Mean deviation
7. Standard deviation for a set of equal value is
Correct : D. 0
8. If N=10, mean=12, ∑x2= 1530, the co-efficient of variation is
Correct : C. 25
9. In a symmetrical frequency distribution, the number of items above and
below the mean would be
Correct : A. Same
10. In a symmetrical distribution, mean, median and mode lie at the ____ of
the distribution
Correct : C. Centre
11. For a frequency distribution, what will be the mean if median=132.8
and mode=141.3 ?
Correct : A. 128.55
12. The word Statistics is derived from ……………….
Correct : D. All of the above
13. The word ‘Statistics’ refers to ………….
Correct : C. Both a and b
14. Definitions of the word ‘Statistics’ can be classified into
Correct : A. Two
15. In singular sense ‘Statistics’ is considered as …………….
Correct : B. Statistical methods
16. Which of the following is an example of statistical data?
Correct : D. All of the above
17. “The science of collection, organization, presentation, analysis and interpretation of numerical data”,
is a definition of statistics in ………………. Sense.
Correct : A. singular
18. The data collected by the investigator himself/herself is called
Correct : C. Primary data
19. Arrange the stages of statistical investigation in correct order
(i) presentation
(ii) organization
(iii) collection
(iv) interpretation
(v) Analysis
Correct : D. (iii), (ii), (i), (v), (iv)
20. Drawing conclusion from the data collected is called
Correct : D. Interpretation
21. Which of the following is application of Statistics in Psychology
Correct : D. All of the above
22. Statistical methods help a researcher for which of the following?
Correct : D. All of the above
23. Which of the following is not a pre requisite for studying procedure for using statistical methods?
Correct : A. Being a scholar in Mathematics
24. Which of the following is a reason for misuse of statistics?
Correct : D. All of the above
25. The process of learning about the population on the basis of a sample drawn from it is known as
Correct : B. Sampling
26. In sampling what amongst the following is studied?
Correct : A. Only a part of the population
27. Which of the following is not an example of sampling?
Correct : B. class test
28. Which of the following is a merit of sampling?
Correct : D. All of the above
29. Which of the following is not a limitation of sampling?
Correct : C. Appropriate for large population
30. Which of the following is not the criteria to determine the appropriateness of sampling technique?
Correct : C. Where census is feasible
31. Which of the following is not a type of probability sampling?
Correct : C. Quota sampling
32. A sampling technique in which each every item of the population is given an equal chance of being
included in the sample is called
Correct : C. Simple random sampling
33. Which of the following methods is used to select a random sample?
Correct : C. Both a and b
34. Which of the following is not an element of sampling?
Correct : D. Making use of the inference
35. Which of the following is not a table of random numbers?
Correct : D. None of these
36. Which of the following is a demerit of random sampling?
Correct : C. A completely catalogued population is needed
37. In which of the following methods the entire population is divided into a no. of groups?
Correct : C. Stratified sampling
38. A variation of simple random sampling is called ………….. sampling.
Correct : B. Systematic
39. In which of the following methods one unit is selected randomly and additional units are selected at
evenly spaced intervals?
Correct : C. Systematic
40. Which of the following is not a merit of systematic sampling?
Correct : D. None of these
41. Multi Stage Sampling is another name of ……………… Sampling.
Correct : C. Cluster Sampling
42. Which of the following Sampling methods is used in different stages?
Correct : A. Cluster
43. If the population is infinite or very large, which of the following sampling units is used.
Correct : D. Cluster
44. The sampling method which enables existing divisions and subdivisions of the population to
be used as units at various stages is ……………
Correct : C. Cluster sampling
45. Which of the following is not a nonprobability sampling?
Correct : D. Multistage sampling
46. In which of the following methods of sampling the choice of sample items depends
exclusively on the judgement of the investigator?
Correct : A. Purposive sampling
47. Which of the following is not a demerit of judgement sampling?
Correct : D. Can be used in making public policy decisions
48. The investigator has complete freedom in choosing his sample according to his wishes and
desires in
Correct : A. Judgemt sampling
49. A sampling method in which sample elements are selected neither by probability method nor
judgement but by convenience is called ………………
Correct : A. Accidental sampling
50. The results of a sample survey would be subject to …………………..
Correct : C. Both a and b
51. The data obtained in an investigation by complete enumeration will be free from ……………
Correct : A. Sampling errors
52. The first man to write a book on probability is
Correct : D. Girolamo Cardano
53. An outcome of an experiment is called
Correct : A. Event
54. The oldest and simplest approach to probability is ……………
Correct : B. Classical
55. The probability of an event is defined as “the ratio of the number of ‘favourable’ cases to the
total number of equally likely cases” in …………… approach.
Correct : B. Classical
56. Which of the following is the definition of probability of an event in subjective approach.
Correct : B. Probability assigned to an event by an individual based on whatever evidence is possible.
57. An event which may or may not occur while performing a certain random experiment is
known as
Correct : C. Random event
58. Those events which cannot happen simultaneously in a single trial are called ……….. events.
Correct : B. Mutually exclusive
59. If the outcome of one event does not affect and is not affected by the other event, then the
two events are called ……….. events.
Correct : B. Independent
60. If the totality of events includes all the possible outcomes of a random experiment, then the
events are called …………….
Correct : D. Exhaustive
61. An event A is said to be the complementary event of B if A and B are
Correct : D. Both a and c
62. If two events A and B are independent then probability of A and B is given by
Correct : C. P(A and B) = P(A) X P(B)
63. Conditional probability can be defined when A and B are ……………… events
Correct : B. Dependent
64. greater percentage of cases distributed about the mean score
4. lesser percentage of cases belonging to extreme scores
Correct : B. Only 3 and 4 are true
65. Which of the following statements is incorrect?
Correct : A. As probability of Type I error increases, probability of type II error also increases.
66. Following data is related to emotional intelligence of two groups A and B.
Mean SD N Group A 75 15 150 Group B 70 20 250 Then the critical ratio is given by
Correct : C. 2.84
67. Which of the following is the ‘t’ value for the following data (small independent
samples)X1= 12, X2 =11, n1 =5, n2=7, s1 = 1.12, s2 = 2.31
Correct : C. 0.89
68. Degrees of freedom for testing the significance of correlation coefficient is calculated
using the formula ------
Correct : D. n-2
69. Normal distribution was originally investigated by -------
Correct : C. DeMoivre
70. Normal distribution was defined specially by -------
Correct : A. Laplace
71. Which of the following is significance of normal distribution in statistical analysis?
Correct : D. All of the above
72. The area under the normal curve between the ordinates x = - and x = + is
Correct : A. 68.26%
73. The area under the normal curve between the ordinates
x = - 2 and x = +2 is
Correct : B. 95.44%
74. The area under the normal curve between the ordinates
x = - 3 and x = +3 is
Correct : C. 99.73%
75. The term skewness refers to -------
Correct : B. lack of symmetry
76. Measure of skewness gives -------
Correct : C. Both (a) and (b)
77. In one way ANOVA, if the calculated F value is greater than the tabled value of F,
then
Correct : D. Mean difference between atleast two groups in the set will be significant
78. A line graph drawn from a histogram.
Correct : C. Frequency Polygon
79. Representation of data as portions of a circle of 3600
.
Correct : B. Pie diagram
80. The actual or exact lower limit of the class 40 – 45.
Correct : A. 39.5
81. Which among the following is NOT a measure of central tendency?
Correct : B. Standard Deviation
82. The arithmetic mean of the distribution 10,20,12,8,6 is.................
Correct : D. 11.2
83. The value that divides a series in to two halves above and below it is............
Correct : B. Median
84. The number of median a distribution can have is...........
Correct : A. One
85. Ogive is also called .............. graph.
Correct : C. Cumulative Percentage Frequency Curve
86. Which among the following cannot be manipulated algebraically?
Correct : D. Both b and c
87. Mode of the distribution 34, 48, 23, 45, 34, 54, 45, 56, 34, 76.
Correct : C. 34
88. The tendency of data to be scattered around the average is ..........
Correct : B. Dispersion
89. Find the odd one.
Correct : D. Mean
90. Find range of the distribution 30, 42, 65, 26, 78, 54.
Correct : A. 52
91. The most stable measure of variability is ..............
Correct : C. Standard Deviation
92. The percentage of Standard Deviation to Mean of a distribution is called
Correct : B. Coefficient of Variation
93. The median value of the distribution 30, 20, 42, 32, 12.
Correct : D. 30
94. The mean of a distribution is 50 and the standard deviation is 5. The coefficient of
variation is ..............
Correct : A. 10%
95. The value of standard deviation will always be a ..............number.
Correct : B. Positive
96. Which among the following represent mean?
Correct : D. All the above
97. Which among the following is an index of variation?
Correct : C. SD
98. The mean of a distribution is 36 and median is 42. Compute mode.
Correct : D. 54
99. ............... is also called as semi- inter quartile range.
Correct : C. Quartile Deviation
100. The measure that has the maximum frequency is............