51. Significant digits in a number are those that represent
accurate
A. But not meaning full information.
B. But practically not treatable
information.
C. And
precise mathematical laws
D. And Meaning full information.
52. The number 15700 has
A. Definite significant digits.
B. Four significant digits
C. Indefinite significant digits.
D. Two significant digits
53. The rules regarding
the determination of the number of significant digits are applicable to
A. Discrete variable.
B. Random variables.
C. Continues variables.
D. Dependent variable.
54. The number 4.535 and 2.745 are rounded off to three significant
digits are
A. 4.54 and 2.74.
B. 4.50 and 2.70.
C. 4.55 and 2.75.
D.
4.53 and 2.75.
55. The most important part of statistical work is
the
A. Collection of data.
B. Calculation of data.
C. Interpretation of data.
D. Representation of data.
56. Arrangement of data according to the values of a variable
characteristic is called a
A. Distribution.
B. Classification.
C. Tabulation.
D. Ascending and descending.
57. The accurate digits
in a number other than zeros needed to locate a decimal point are called
A. Significant digits of a number.
B. Continues digits of number.
C. True digits of a number.
D. Discrete digits of a number.
58. When the defining
variable is expressed in terms of location, we get
A. Placement distribution.
B. Poison distribution.
C. Wishart distribution.
D. Spatial distribution
59. Temporal arrangement
of values referred to as a
A. History.
B. Period.
C. Time
series.
D. Season.
60. The number of
observations falling in a particular class is refer to as the
A. Class repetition.
B. Class frequency.
C. Class cycles.
D. Class observation.
61. Data presented in the
form of a frequency distribution are also called
A. Distribution data.
B. Tabulation.
C. Group data.
D. Ungroup data.
62. To produce a
meaningful pattern for the overall distribution of the data from which
conclusions can be drawn.
A. The scope of frequency distribution.
B. The formula of frequency distribution.
C. Limitation of frequency distribution.
D. The purpose of frequency distribution.
63. The numbers or the
values of variables which describe the classes.
A. The class limits
B. The class boundaries.
C. The class marks.
D. The class ends.
64. A class has either
no lower class limit or no upper class limit; such a class is called an/a
A. Close end class.
B. Limitless class.
C. Open and limitless class.
D. Open end class.
65. The precise numbers
which separate one class from another
A. The class limits
B. The class boundaries.
C. The class marks.
D. The class ends.
66. The number which
divides each class into two equal parts
A. The class limit
B. The class boundary.
C. The class mark.
D. The class end.
67. Class width or
interval of a class is equal to the difference between
A. The class limits
B. The class boundaries.
C. The class marks.
D. The class ends.
68. Where K is the
number of classes and N is the total number of observations then according to
H.A Sturges’ rule, K is equal to
A. 1+3.2logN.
B. 1+3.3logN.
C. 1+3.4logN.
D. 1+3.5logN.
69. The total frequency
of variable from one end to a certain value called the base is known as
A. Relative frequency.
B. Percentage frequency.
C. Cumulative frequency.
D. Class frequency.
70. A table/tabulation
that shows the cumulative frequencies is called
A. Cumulative distribution.
B. Cumulative frequency distribution.
C. Frequency distribution.
D. Cumulative table frequency
distribution.
71. The cumulative
frequency of the last class is the sum of all the
A. Frequencies in the distribution.
B. Relative frequencies in the
distribution.
C. Percentage frequencies in the
distribution.
D. Class marks.
72. When the frequencies
are cumulated from the highest value to the lowest value, it is called
A.
Less than type cumulative frequency.
B.
Accumulation.
C. More than type cumulative frequency.
D. Summation from top to bottom.
73. If the class
frequencies against various classes are divided by the total frequency we get
A. Cumulative frequencies.
B. Percentage frequencies.
C. Relative frequencies.
D. Proceeding class frequency.
74. A percentage
cumulative distribution is not useful to read off the percentage of values
falling between certain specified values
A. False.
B. True.
C. Sometimes True.
D. Sometimes false.
75. A clear disadvantage
of using a frequency table is that the identity of individual observations is
lost in grouping process.
A. False.
B. True.
C. Sometimes True.
D. Sometimes false.
|
51
|
D
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52
|
C
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53
|
C
|
54
|
A
|
55
|
A
|
|
56
|
A
|
57
|
A
|
58
|
D
|
59
|
C
|
60
|
B
|
|
61
|
C
|
62
|
D
|
63
|
A
|
64
|
D
|
65
|
B
|
|
66
|
C
|
67
|
B
|
68
|
B
|
69
|
C
|
70
|
B
|
|
71
|
A
|
72
|
C
|
73
|
C
|
74
|
A
|
75
|
B
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