Quiznetik
Statistics for Research | Set 1
1. In olden days statistics also called ………………
A. science of soldiers
B. science of kings
C. science of business man
D. science of managers
Correct : B. science of kings
2. Now a days the use of statistics is extended to various fields such as ………….
A. Agriculture
B. Economic
C. Psychology
D. All of these
Correct : D. All of these
3. In ………… sense, statistics refers to numerical statements of facts.
A. plural
B. singular
C. both
D. none
Correct : A. plural
4. Measures of central tendency is also known as measures of ……………
A. central calculation
B. central location
C. central information
D. central data
Correct : B. central location
5. The arithmetic mean of a variable ‘x’ is denoted by the symbol.
A. x2
B. x
C. x
D. ∑ x
Correct : C. x
6. Short cut method for calculating arithmatic mean also known as
A. assumed average method
B. Assumed variable method
C. Assumed mean method
D. All of these
Correct : C. Assumed mean method
7. Geometric mean considered to be the best average in the construction of ……
A. Index numbers
B. median
C. mode
D. quartiles
Correct : A. Index numbers
8. There are equal number of observations on the right and on the left of ……… value
A. mean
B. median
C. mode
D. quartile
Correct : B. median
9. The word statistics have been derived from the Latin word –
A. Statistik (
B. Status (
C. Statista (
D. Strata
Correct : B. Status (
10. Statistics helps in
A. Testing (
B. Prediction (
C. Formulating policies (
D. all of these
Correct : D. all of these
11. Modern statistical devices have been made business forecasting more
A. precise and accurate (
B. difficult (
C. misunderstanding (
D. easy
Correct : A. precise and accurate (
12. ---- are the eyes of Govt. administration
A. Statistics (
B. Economics (
C. Politics (
D. none
Correct : A. Statistics (
13. Statistics does not deals with
A. Qualitative (
B. Quantitative (
C. Both (
D. None
Correct : A. Qualitative (
14. Statistics is an art as well as
A. Science (
B. Average (
C. Theory (
D. None
Correct : A. Science (
15. -----is a figure that represents the whole group
A. Average (
B. Value (
C. Data (
D. None
Correct : A. Average (
16. What is the Mean for the following observation ; 3,4,6,7,10
A. 4 (
B. 5(
C. 6 (
D. 9
Correct : C. 6 (
17. Which divides the value of a variable into two equal parts?
A. Median (
B. Mean (
C. Mode (
D. All these
Correct : A. Median (
18. ----- is the value of item of a series which occurs most frequently
A. Median (
B. Mean (
C. Mode (
D. none
Correct : C. Mode (
19. ----- is not affected by extreme items
A. Mean (
B. Median (
C. Mode (
D. All these
Correct : C. Mode (
20. When the distribution is of open end classes which average may appropriate
A. Mean (
B. Median (
C. Mode (
D. None
Correct : B. Median (
21. Find mode of the following series 2 3 4 3 4 3 5 3 7
A. 3 (
B. 4 (
C. 5 (
D. 2
Correct : A. 3 (
22. ----- is useful for computing average rate of increase of profits , average rate of speed , average price ..etc
A. Arithmetic Mean (
B. Geometric Mean (
C. Harmonic Mean (
D. Mode
Correct : C. Harmonic Mean (
23. -----is a mathematical average
A. Arithmetic Mean (
B. Geometric Mean (
C. Both (
D. None
Correct : A. Arithmetic Mean (
24. -----is not a patrician value
A. Mean (
B. Median (
C. Quartiles (
D. all these
Correct : A. Mean (
25. ---- is the half distance between the third and first quartiles
A. Q.D (
B. M.D (
C. S.D (
D. Variance
Correct : A. Q.D (
26. The formula of Q.D
A. (Q3-Q1)/2 (
B. (Q2-Q3)/2 (
C. (Q2-Q1)/2 (
D. none
Correct : A. (Q3-Q1)/2 (
27. Measures of dispersion are called averages of ----- order
A. First (
B. second (
C. Third (
D. None
Correct : B. second (
28. ----- is the difference between highest and lowest values in a series
A. Range (
B. Mean (
C. Dispersion (
D. None
Correct : A. Range (
29. The most important measure of dispersion
A. Range (
B. Mean deviation (
C. Standard deviation (
D. Quartile deviation
Correct : C. Standard deviation (
30. Square of Standard Deviation is known as
A. Range (
B. Variance (
C. Quartile (
D. none
Correct : B. Variance (
31. For comparing variability in scores of 2 Batsman we can use
A. Standard Deviation (
B. Mean (
C. Coefficient of variation (
D. mode
Correct : C. Coefficient of variation (
32. Variance = -----
A. (S.D)2 (
B. √S.D (
C. ( S.D) 3(
D. 1/S.D
Correct : A. (S.D)2 (
33. In Standard deviation , deviations are taken only from ---- values of series
A. Mean (
B. Median (
C. Mode (
D. Variance
Correct : A. Mean (
34. Co. Efficient of variation is equal to
A. (S.D/Mean)x100 (
B. (S.D/Range )x100 (
C. (Mean/ S.D)x100 (
D. None
Correct : A. (S.D/Mean)x100 (
35. ----- means lack of symmetry
A. Skewness (
B. Kurtosis (
C. Range (
D. None
Correct : A. Skewness (
36. A distribution is skewed if Mean , Median , Mode are
A. Equal (
B. Not equal (
C. Symmetric (
D. None
Correct : B. Not equal (
37. ----- is a measure of peakedness
A. Skewness (
B. Kurtosis (
C. Range (
D. Variance
Correct : B. Kurtosis (
38. Skewness may be ----
A. + or – (
B. Zero (
C. Both (
D. None
Correct : A. + or – (
39. When the frequency curve is more peaken than normal curve it is called
A. Leptokurtic (
B. Platy (
C. Mesokurtic (
D. None
Correct : A. Leptokurtic (
40. ----- are devices for measuring differences in the magnitude of a group of related variables
A. Index numbers (
B. Time series (
C. Standard deviation (
D. Mean
Correct : A. Index numbers (
41. Index numbers are expressed in
A. Average (
B. Percentage (
C. Both (
D. None
Correct : B. Percentage (
42. ---- index number is called Ideal index number
A. Laspear’s (
B. Paasche’s (
C. Fishers (
D. Kelley’s
Correct : C. Fishers (
43. In Laspear’s Index number ---- year quantities are used
A. Base (
B. Current (
C. Average (
D. None
Correct : A. Base (
44. ----- is not a factor responsible for seasonal variation
A. Climatic condition (
B. social customs (
C. Religious functions (
D. Operation condition
Correct : D. Operation condition
45. laspeyer’s method and Paashe’s method do not satisfy
A. Unit test (
B. Factor reversal test (
C. Time reversal test (
D. None
Correct : D. None
46. Fisher’s formula satisfies ---- test
A. Unit test (
B. Time reversal Test (
C. factor Reversal test (
D. All
Correct : A. Unit test (
47. ----- is the easiest of all the methods for measuring trend
A. Freehand curve (
B. Method of semi average (
C. Method of least squres
D. Method of moving curve
Correct : A. Freehand curve (
48. ---- is a set of values arranged in chronological order
A. Time series (
B. Index number (
C. Both (
D. None
Correct : A. Time series (
49. Cyclic variation Occur at intervals of more than ---- year
A. 1 (
B. 2 (
C. 3 (
D. 4
Correct : A. 1 (
50. Moments are used to find a measure of
A. Central tendency (
B. Dispersion (
C. Skewness (
D. All these
Correct : D. All these
51. Statistical methods are most dangerous tools in the hands of
A. Expert (
B. Inexpert (
C. Business man (
D. All of them
Correct : B. Inexpert (
52. ------ is capable of more algebraic treatment
A. arithmetic mean (
B. Median (
C. Both (
D. None
Correct : A. arithmetic mean (
53. ------ is considered to best average
A. arithmetic mean (
B. Median (
C. Mode (
D. None
Correct : A. arithmetic mean (
54. ------ is used whenever the relative importance of the items in a series differs
A. Simple arithmetic mean (
B. Weighted arithmetic mean (
C. Geometric mean(
D. None
Correct : B. Weighted arithmetic mean (
55. Weighted averages are used in the calculation of
A. death rate (
B. birth rate (
C. Both (
D. None
Correct : C. Both (
56. Median is a ----- average
A. Mathematical (
B. Positional (
C. Both (
D. None
Correct : B. Positional (
57. ----- is not capable of algebraic treatment
A. arithmetic mean (
B. Median (
C. Both (
D. None
Correct : B. Median (
58. ---- is not a mathematical average
A. A.M (
B. G.M (
C. H.M (
D. mode
Correct : D. mode
59. ----- is ill-defined
A. arithmetic mean (
B. Median (
C. Mode (
D. None
Correct : C. Mode (
60. ----- divides the data into 4 equal parts
A. Quartiles (
B. Mean (
C. Median (
D. Range
Correct : A. Quartiles (
61. ---- are known as averages of first order
A. Measures of central tendency (
B. Measures of dispersion (
C. Averages (
D. None
Correct : A. Measures of central tendency (
62. Simplest possible measure of dispersion is
A. Range (
B. Q.D (
C. M.D (
D. Variance
Correct : A. Range (
63. ---- cannot be computed in the case of open ended distribution
A. Range (
B. Mean (
C. Both (
D. None
Correct : C. Both (
64. Standard deviation of a series can have minimum value of -----
A. Zero (
B. One (
C. Two (
D. Three
Correct : A. Zero (
65. In ---- signs are ignored
A. S.D (
B. Mean (
C. Both (
D. None
Correct : A. S.D (
66. ----- is defined as the reciprocal of the mean of the reciprocal of these values
A. H.M (
B. G.M (
C. A.M (
D. S.D
Correct : A. H.M (
67. ------ is used in averaging rates , times etc
A. H.M (
B. G.M (
C. A.M (
D. Mode
Correct : A. H.M (
68. Measures of dispersion are statistical devices to measure the ----- in a series
A. Variability (
B. Convertibility (
C. Flexibility (
D. None
Correct : A. Variability (
69. ----- is a geometric method of measuring variability
A. Lorenz Curve (
B. Geometric curve (
C. Both (
D. None
Correct : A. Lorenz Curve (
70. The most commonly used relative measure of dispersion
A. Coefficient of variation (
B. Q.D (
C. S.D (
D. None
Correct : A. Coefficient of variation (
71. Range is an ---- measure
A. Absolute (
B. Relative (
C. Both (
D. None
Correct : A. Absolute (
72. Range =-----
A. H-L (
B. L-H (
C. Both (
D. None
Correct : A. H-L (
73. Find range from the following values 23 32 85 32 42 10 20 18 28
A. 70 (
B. 75 (
C. 85 (
D. 32
Correct : B. 75 (
74. --- is used in quality control
A. Mean (
B. Median (
C. Range (
D. Quartiles
Correct : C. Range (
75. Q . D is ---- of more algebraic treatment
A. Capable (
B. Not capable (
C. either capable or not (
D. None
Correct : A. Capable (
76. Mean deviation is based on all values , so it is more
A. valuable (
B. Understandable (
C. Representative (
D. All these
Correct : A. valuable (
77. Squares of ---- is known as variance
A. S.D (
B. Q.D (
C. M.D (
D. Range
Correct : A. S.D (
78. In standard deviation, deviations are measured from
A. Mean (
B. Median (
C. mode (
D. None
Correct : A. Mean (
79. In Mean deviation, deviations are measured from
A. Mean (
B. Median (
C. mode (
D. All these
Correct : A. Mean (
80. If the value of a series are equal , S.D is
A. Zero (
B. One (
C. Two (
D. None
Correct : A. Zero (
81. Graphical method of measuring variability is first used by
A. Max O Lorenze (
B. Carl Pearson (
C. Spiegel (
D. Fishers
Correct : A. Max O Lorenze (
82. ---- means asymmetry of a distribution
A. skewness (
B. Kurtosis (
C. Moments (
D. Dispersion
Correct : A. skewness (
83. A measure of dispersion is an average of
A. Deviation (
B. Skewness (
C. Median (
D. Variance
Correct : A. Deviation (
84. A measure of skewness is only the difference between 2-------
A. averages (
B. Deviation (
C. Both (
D. None
Correct : A. averages (
85. ---- serves as an economic barometer
A. Index numbers (
B. Skewness (
C. Kurtosis (
D. None
Correct : A. Index numbers (
86. ---- are specialized type of averages
A. Index numbers (
B. mean (
C. Median (
D. Mode
Correct : A. Index numbers (
87. Important use of Index numbers is for
A. Wage negotiation and wage contracts (
B. Employee satisfaction (
C. Job satisfaction (
D. welfare schemes
Correct : A. Wage negotiation and wage contracts (
88. According to ---- method original data are plotted on graph
A. Free hand curve (
B. Semi average (
C. moving average (
D. Least square
Correct : A. Free hand curve (
89. Laspeyrs formula does not obey
A. Factor reversal test (
B. Time reversal test (
C. Both (
D. None
Correct : C. Both (
90. Fishers ideal index formula satisfies ---- test
A. Factor reversal test (
B. Time reversal test (
C. Both (
D. none
Correct : C. Both (
91. When the measure of kurtosis is greater than ---- the distribution is leptokurtic
A. 0 (
B. 1 (
C. 2 (
D. 3
Correct : A. 0 (
92. When first quartile is 10 , third quartile is 20 , value of quartile deviation is
A. 5 (
B. 2 (
C. 3 (
D. 1
Correct : A. 5 (