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This section includes 1405 Mcqs, each offering curated multiple-choice questions to sharpen your Logical and Verbal Reasoning knowledge and support exam preparation. Choose a topic below to get started.
51. |
Which among the following represent mean? |
A. | Geometric |
B. | Harmonic |
C. | Quadratic |
D. | All the above |
Answer» E. | |
52. |
The value of standard deviation will always be a ..............number. |
A. | Negative |
B. | Positive |
C. | Positive or negative |
D. | Both a and b |
Answer» C. Positive or negative | |
53. |
The mean of a distribution is 50 and the standard deviation is 5. The coefficient ofvariation is .............. |
A. | 10% |
B. | 0.1% |
C. | 10 |
D. | 0.1 |
Answer» B. 0.1% | |
54. |
The percentage of Standard Deviation to Mean of a distribution is called |
A. | Variation |
B. | Coefficient of Variation |
C. | Dispersion |
D. | None of the above |
Answer» C. Dispersion | |
55. |
The median value of the distribution 30, 20, 42, 32, 12. |
A. | 42 |
B. | 68 |
C. | 32 |
D. | 30 |
Answer» E. | |
56. |
The most stable measure of variability is .............. |
A. | Mean Deviation |
B. | Quartile Deviation |
C. | Standard Deviation |
D. | Range |
Answer» D. Range | |
57. |
Find range of the distribution 30, 42, 65, 26, 78, 54. |
A. | 52 |
B. | 26 |
C. | 54 |
D. | 78 |
Answer» B. 26 | |
58. |
The tendency of data to be scattered around the average is .......... |
A. | Central tendency |
B. | Dispersion |
C. | Range |
D. | None of the above |
Answer» C. Range | |
59. |
Which among the following cannot be manipulated algebraically? |
A. | Mean |
B. | Median |
C. | Mode |
D. | Both b and c |
Answer» E. | |
60. |
Mode of the distribution 34, 48, 23, 45, 34, 54, 45, 56, 34, 76. |
A. | 45 |
B. | 76 |
C. | 34 |
D. | 23 |
Answer» D. 23 | |
61. |
The number of median a distribution can have is........... |
A. | One |
B. | Two |
C. | Less than one |
D. | More than two |
Answer» B. Two | |
62. |
Ogive is also called .............. graph. |
A. | Frequency |
B. | Cumulative Frequency Curve |
C. | Cumulative Percentage Frequency Curve |
D. | Frequency polygon |
Answer» D. Frequency polygon | |
63. |
The value that divides a series in to two halves above and below it is............ |
A. | Mean |
B. | Median |
C. | Mode |
D. | SD |
Answer» C. Mode | |
64. |
Which among the following is NOT a measure of central tendency? |
A. | Mean |
B. | Standard Deviation |
C. | Mode |
D. | Median |
Answer» C. Mode | |
65. |
The arithmetic mean of the distribution 10,20,12,8,6 is................. |
A. | 56 |
B. | 12 |
C. | 28 |
D. | 11.2 |
Answer» E. | |
66. |
Representation of data as portions of a circle of 3600. |
A. | Bar diagram |
B. | Pie diagram |
C. | Pictogram |
D. | None of the above |
Answer» C. Pictogram | |
67. |
The actual or exact lower limit of the class 40 – 45. |
A. | 39.5 |
B. | 40.5 |
C. | 39 |
D. | 40 |
Answer» B. 40.5 | |
68. |
A line graph drawn from a histogram. |
A. | Ogive |
B. | Cumulative Frequency Graph |
C. | Frequency Polygon |
D. | Cumulative Percentage Frequency Graph |
Answer» D. Cumulative Percentage Frequency Graph | |
69. |
In one way ANOVA, if the calculated F value is greater than the tabled value of F,then |
A. | Mean difference between all pairs of groups will be significant |
B. | Mean difference is not significant |
C. | Mean difference between more than two groups in the set will be significant |
D. | Mean difference between atleast two groups in the set will be significant |
Answer» E. | |
70. |
Measure of skewness gives ------- |
A. | Direction of skewness |
B. | Extent of skewness |
C. | Both (a) and (b) |
D. | None of these |
Answer» D. None of these | |
71. |
The term skewness refers to ------- |
A. | bulginess |
B. | lack of symmetry |
C. | symmetrical |
D. | normal |
Answer» C. symmetrical | |
72. |
The area under the normal curve between the ordinatesx = - 3 and x = +3 is |
A. | 68.26% |
B. | 95.44% |
C. | 99.73% |
D. | 90% |
Answer» D. 90% | |
73. |
The area under the normal curve between the ordinates x = - and x = + is |
A. | 68.26% |
B. | 95.44% |
C. | 34.13% |
D. | None of these |
Answer» B. 95.44% | |
74. |
The area under the normal curve between the ordinatesx = - 2 and x = +2 is |
A. | 68.26% |
B. | 95.44% |
C. | 99% |
D. | None of these |
Answer» C. 99% | |
75. |
Which of the following is significance of normal distribution in statistical analysis? |
A. | Many of the dependent variables are commonly assumed to be normally distributed |
B. | Many of the statistical techniques in inferential statistics assumes normality of variable. |
C. | The theoretical distribution of the hypothetical set of sample means is approximately normal. |
D. | All of the above |
Answer» E. | |
76. |
Normal distribution was defined specially by ------- |
A. | Laplace |
B. | Gauss |
C. | DeMoivre |
D. | None of these |
Answer» B. Gauss | |
77. |
Degrees of freedom for testing the significance of correlation coefficient is calculatedusing the formula ------ |
A. | n1 + n2 |
B. | n-1 |
C. | n -3 |
D. | n-2 |
Answer» E. | |
78. |
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 |
A. | 2.53 |
B. | 1.98 |
C. | 2.84 |
D. | None of these |
Answer» D. None of these | |
79. |
Which of the following is the ‘t’ value for the following data (small independentsamples)X1= 12, X2 =11, n1 =5, n2=7, s1 = 1.12, s2 = 2.31 |
A. | 8.9 |
B. | 0.35 |
C. | 0.89 |
D. | 0.79 |
Answer» D. 0.79 | |
80. |
Normal distribution was originally investigated by ------- |
A. | Gauss |
B. | Laplace |
C. | DeMoivre |
D. | None of these |
Answer» D. None of these | |
81. |
greater percentage of cases distributed about the mean score4. lesser percentage of cases belonging to extreme scores |
A. | Only 1 and 2 are true |
B. | Only 3 and 4 are true |
C. | all are true |
D. | all are false |
Answer» C. all are true | |
82. |
Conditional probability can be defined when A and B are ……………… events |
A. | Mutually exclusive |
B. | Dependent |
C. | Independent |
D. | Exhaustive |
Answer» C. Independent | |
83. |
If two events A and B are independent then probability of A and B is given by |
A. | P(A and |
B. | 0 |
C. | P(A and B) = P(A) X P(B) |
D. | None of these |
Answer» D. None of these | |
84. |
An event A is said to be the complementary event of B if A and B are |
A. | Mutually exclusive |
B. | Equally likely |
C. | Exhaustive |
D. | Both a and c |
Answer» E. | |
85. |
If the totality of events includes all the possible outcomes of a random experiment, then theevents are called ……………. |
A. | Equally likely |
B. | Independent |
C. | Mutually exclusive |
D. | Exhaustive |
Answer» E. | |
86. |
If the outcome of one event does not affect and is not affected by the other event, then thetwo events are called ……….. events. |
A. | Equally likely |
B. | Independent |
C. | Dependent |
D. | Mutually exclusive |
Answer» C. Dependent | |
87. |
An event which may or may not occur while performing a certain random experiment isknown as |
A. | Sample space |
B. | Outcomes |
C. | Random event |
D. | None of these |
Answer» D. None of these | |
88. |
Those events which cannot happen simultaneously in a single trial are called ……….. events. |
A. | Equally likely |
B. | Mutually exclusive |
C. | Independent |
D. | Dependent |
Answer» C. Independent | |
89. |
Which of the following is the definition of probability of an event in subjective approach. |
A. | Limit of the relative frequency as the number of observation increases indefinitely |
B. | Probability assigned to an event by an individual based on whatever evidence is possible. |
C. | Probability can be calculated using certain axioms |
D. | None of these |
Answer» C. Probability can be calculated using certain axioms | |
90. |
The probability of an event is defined as “the ratio of the number of ‘favourable’ cases to thetotal number of equally likely cases” in …………… approach. |
A. | Empirical |
B. | Classical |
C. | Subjective |
D. | Axiomatic |
Answer» C. Subjective | |
91. |
The oldest and simplest approach to probability is …………… |
A. | Empirical |
B. | Classical |
C. | Subjective |
D. | Axiomatic |
Answer» C. Subjective | |
92. |
An outcome of an experiment is called |
A. | Event |
B. | Sample space |
C. | Sample |
D. | None of these |
Answer» B. Sample space | |
93. |
The first man to write a book on probability is |
A. | Galileo |
B. | Pierre De-Fermat |
C. | Demovire |
D. | Girolamo Cardano |
Answer» E. | |
94. |
The data obtained in an investigation by complete enumeration will be free from …………… |
A. | Sampling errors |
B. | Nonsampling errors |
C. | Both a and b |
D. | None of these |
Answer» B. Nonsampling errors | |
95. |
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» D. None of these | |
96. |
A sampling method in which sample elements are selected neither by probability method norjudgement but by convenience is called ……………… |
A. | Accidental sampling |
B. | Purposive sampling |
C. | Quota sampling |
D. | None of these |
Answer» B. Purposive sampling | |
97. |
The investigator has complete freedom in choosing his sample according to his wishes anddesires in |
A. | Judgemt sampling |
B. | Quota sampling |
C. | Convenience sampling |
D. | Multiphase sampling |
Answer» B. Quota sampling | |
98. |
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» E. | |
99. |
In which of the following methods of sampling the choice of sample items dependsexclusively on the judgement of the investigator? |
A. | Purposive sampling |
B. | Quota sampling |
C. | Convenience sampling |
D. | None of these |
Answer» B. Quota sampling | |
100. |
Which of the following is not a nonprobability sampling? |
A. | Judgement sampling |
B. | Quota sampling |
C. | Convenience sampling |
D. | Multistage sampling |
Answer» E. | |