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Latest CUET PG Statistics Exam Question (Objective Questions), MCQ in English
Subjects : Statistics
Question Bank CUET PG Statistics Exam - English
Statistics
Q 1 :
Which of the following statement is true?
A.statistics is derived from the French word ‘Statistik’
B.statistics is derived from the Latin word ‘Status’
C.statistics is derived from the Italian word ‘Statista’
D.none of these
Q 2 :
Statistics is concerned with _____
A.qualitative information
B.quantitative information
C.either (a) or (b)
D.both (a) and (b)
Q 3 :
Statistics is defined in terms of numerical data in the _____
A.singular sense
B.plural sense
C.either or (b)
D.both (a) and (b)
Q 4 :
Drinking habit of a person is _____
A.an attribute
B.a discrete variable
C.a variable
D.a continuous variable
Q 5 :
Marks of a student is an example of _____
A.a continuous variable
B.a discrete variable
C.an attribute
D.none of these
Q 6 :
Annual income of a person is _____
A.a continuous variable
B.a discrete variable
C.an attribute
D.(b) or (c)
Q 7 :
An attribute is _____
A.a qualitative characteristic
B.a measurable characteristic
C.a quantitative characteristic
D.all these
Q 8 :
Nationality of a student is ____
A.an attribute
B.a discrete variable
C.a continuous variable
D.either (a) or (C)
Q 9 :
The most attractive method of data presentation is ____
A.diagrammatic
B.textual
C.tabular
D.either (a) or (b)
Q 10 :
In tabulation source of the data, if any, is shown in the ____
A.footnote
B.body
C.stub
D.caption
Q 11 :
The mode of presentation of data are ____
A.textual, tabulation and diagrammatic
B.tabular, internal and external
C.textual, tabular and internal
D.tabular, textual and external
Q 12 :
The most accurate mode of data presentation is _____
A.diagrammatic method
B.tabulation
C.textual presentation
D.none of these
Q 13 :
The best method of presentation of data is ____
A.textual
B.tabular
C.diagrammatic
D.both (b) and (c)
Q 14 :
Details are shown by ____
A.charts
B.tabular presentation
C.both (a) and (b)
D.none of these
Q 15 :
The unit of measurement in tabulation is ____
A.box head
B.body
C.caption
D.stub
Q 16 :
In general the number of types of tabulation are ____
A.two
B.three
C.one
D.four
Q 17 :
For tabulation, 'caption' is ____
A.the lower part of the table
B.the main part of the table
C.the upper part of the table
D.the upper part of a table that describes the column and sub-column
Q 18 :
A table has ____
A.four parts
B.two parts
C.five parts
D.none of these
Q 19 :
The entire upper part of a table is known as ____
A.caption
B.stub
C.box head
D.body
Q 20 :
'Stub' of a table is the ____
A.right part of the table describing the columns
B.left part of the table describing the columns
C.right part of the table describing the rows
D.left part of the table describing the rows
Q 21 :
Which of the following statements is not true for tabulation?
A.complicated data can be presented
B.it facilitates comparison between rows and not columns
C.statistical analysis of data requires tabulation
D.diagrammatic representation of data requires tabulation
Q 22 :
Diagrammatic representation of data is done by ____
A.pictures
B.charts
C.diagrams
D.all these
Q 23 :
The relationship between two variables are shown in ____
A.histogram
B.pictogram
C.bar diagram
D.line diagram
Q 24 :
The data collected on the height of a group of students after recording their heights with a measuring tape are
A.primary data
B.continuous data
C.discrete data
D.secondary data
Q 25 :
The quickest method to collect primary data is ____
A.personal interview
B.by observation
C.telephone interview
D.indirect interview
Q 26 :
Some important sources of secondary data are ____
A.international and Government sources
B.private and primary sources
C.international and primary sources
D.government sources
Q 27 :
Data collected on religion from the census reports are ___
A.(a) sample data
B.secondary data
C.primary data
D.either (a) or (b)
Q 28 :
Which method of collection of data covers the widest area?
A.direct interview method
B.mailed questionnaire method
C.telephone interview method
D.all of these
Q 29 :
In case of a rail accident, the appropriate method of data collection is by ____
A.direct interview
B.personal interview
C.indirect interview
D.all of these
Q 30 :
The best method to collect data, in case of a natural calamity, is __
A.personal interview
B.questionnaire method
C.indirect interview
D.direct observation method
Q 31 :
The number of observations falling within a class is called ___
A.density
B.frequency
C.both (a) and (b)
D.none of these
Q 32 :
Classes with zero frequencies are called ____
A.class
B.empty class
C.nill class
D.none of these
Q 33 :
Frequency distribution ____
A.arranges observations in an increasing order
B.arranges observations in terms of a number of groups
C.relates to a measurable characteristic
D.all of these
Q 34 :
The number of "Frequency distribution" is ___
A.two
B.one
C.five
D.four
Q 35 :
The Frequency distribution of a continuous variable is known as ___
A.grouped frequency distribution
B.simple frequency distribution
C.either (a) or (b)
D.both (a) and (b)
Q 36 :
(Class frequency)/(Width of the class) is defined as ____
A.frequency density
B.frequency distribution
C.both (a) and (b)
D.none of these
Q 37 :
The distribution of shares is an example of the frequency distribution of ____
A.a discrete variable
B.an attribute
C.a continuous variable
D.either (a) or (c)
Q 38 :
Tally marks determines ____
A.class width
B.class boundary
C.class limit
D.class frequency
Q 39 :
Mutually inclusive classification is usually meant for ____
A.a discrete variable
B.an attribute
C.a continuous variable
D.none of these
Q 40 :
For determining the class frequencies it is necessary that these classes are _____
A.mutually exclusive
B.not mutually exclusive
C.independent
D.none of these
Q 41 :
If x and y are related by x – y – 10 = 0 and mode of x is known to be 23, then the mode of y is :
A.20
B.13
C.3
D.23
Q 42 :
A man travels at a speed of 20 km/hr and then returns at a speed of 30 km/hr. His average speed of the whole journey is
A.25 km/hr
B.24.5 km/hr
C.24 km/hr
D.None
Q 43 :
A student obtained the mean and standard deviation of 100 observations as 40 and 5.1 respectively. It was later discovered that he had wrongly copied down an observation as 50 instead of 40. The correct standard deviation is
A.5
B.6
C.3
D.7
Q 44 :
For a moderately skewed distribution, quartile deviation and the standard deviation are related by
Q 45 :
The median of the data 13, 8, 11, 6, 4, 15, 2, 18 is
A.5
B.8
C.11
D.9.5
Q 46 :
The sum of the squares of deviations of a set of observations has the smallest value; when the deviations are taken from their
A.A.M.
B.H. M.
C.G. M.
D.None
Q 47 :
If two samples of sizes 30 and 20 have means as 55 and 60 and variances as 16 and 25 respectively, then what would be the S.D. of the combined sample size 50 ?
A.5.33
B.5.17
C.5.06
D.5
Q 48 :
If two variables x & y are related by 2x + 3y –7 = 0 and the mean and mean deviation about mean of x are 1 and 0.3 respectively, then the coefficient of mean deviation of y about mean is
A.–5
B.4
C.12
D.50
Q 49 :
Which of the following result hold for a set of distinct positive observations ?
A.A.M > G.M > H.M
B.G.M. > A.M. > H.M
C.G.M > A.M > H.M
D.A.M > G.M > H.M
Q 50 :
Measures of dispersion are called averages of the ____ order .
A.1st
B.2nd
C.3rd
D.None
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CUET PG Statistics Exam Question Bank Book - English
For a set of 100 observations, taking assumed mean as 4, the sum of the deviations is –11 cm and the sum of the squares of these deviations is 257 cm. The coefficient of variation is :
A.41.13%
B.42.13%
C.0.13%
D.None
Q 52 :
If the AM and HM for two numbers are 5 and 3.2 respectively, then the GM will be
A.4.05
B.16
C.4
D.4.10
Q 53 :
________ are used for measuring central tendency, dispersion and skewness
A.Median
B.Deciles
C.Percentiles
D.Quartiles
Q 54 :
Which of the following companies A or B is more consistent so far as the payment of dividend is concerned ?
Dividend paid by A : 5 9 6 12 15 10 8 10
Dividend paid by B : 4 8 7 15 18 9 6 6
A.A
B.B
C.Both A & B
D.Neither A nor B
Q 55 :
What is the coefficient of range for the following distribution ?
Class Interval : 10-19 20-29 30-39 40-49 50-59
Frequency : 11 25 16 7 3
A.22
B.50
C.75.82
D.72.46
Q 56 :
An aeroplane flies from A to B at the rate of 500 km/hr and comes back from B to A at the rate of 700 km/hr. The average speed of the aeroplane is
A.600 km/hr
B.583.33 km/hr
D.620 km/hr
Q 57 :
For a moderately skewed distribution, which of the following relationship holds ?
A.Mean – Median = 3 (Median – Mode)
B.Median – Mode = 3 (Mean – Median)
C.Mean – Mode = 3 (Mean – Median)
D.Mean – Median = 3 (Mean – Mode)
Q 58 :
___ & ___ are called ratio averages :
A.HM & GM
B.HM & AM
C.AM & GM
D.None
Q 59 :
A sample of 35 observations has the mean 80 and S.D. as 4. A second sample of 65 observations from the same population has mean 70 and S.D. 3. The S.D. of the combined sample is :
A.5.85
B.5.58
C.10.23
D.None of these
Q 60 :
If x and y are related as 3x – 4y = 20 and the quartile deviation of x is 12, then the quartile deviation of y is
A.14
B.15
C.16
D.9
Q 61 :
Extreme values have ____ effect on mode .
A.High
B.low
C.No
D.None of these
Q 62 :
The mean salary for a group of 40 female workers is Rs. 5,200 per month and that for a group of 60 male workers is Rs. 6,800 per month. What is the combined salary ?
A.Rs. 6,160
B.Rs. 6,280
C.Rs. 6,890
D.Rs. 6,920
Q 63 :
The best measure of dispersion is
A.Q.D.
B.M.D.
C.Range
D.S.D.
Q 64 :
If the mean and S.D. of x are a and b respectively, then the S.D. of ​ is :
A.a/b
B.–1
C.1
D.ab
Q 65 :
Suppose a population A has 100 observations 101, 102, 103, ...., 200 and another population B has 100 observations 151, 152, 153, ....., 250. If VA and VB represents the variance of the two populations respectively, then VA/ VB =
A.9/4
B.1
C.4/9
D.2/3
Q 66 :
If there are two groups with 75 and 65 as harmonic means and containing 15 and 13 observations then the combined H.M. is given by :
A.70
B.80
C.70.35
D.69.48
Q 67 :
The G.M. of 4, 6 and 8 is
A.4.17
B.5.32
C.6.14
D.5.77
Q 68 :
The Mean and S.D. for group of 100 observations are 65 and 7.03 respectively. If 60 of these observations have mean and S.D. as 70 and 3 respectively, what is the S.D. for the group comprising 40 observations ?
A.2.03
B.4.03
C.8.03
D.9.33
Q 69 :
The Quartile deviation for the date is
x : 2 3 4 5 6
y : 3 4 8 4 1
A.1/4
B.1/2
C.1
D.0
Q 70 :
If X and Y are two random variables then v(x + y) is
A.v(x) + v(y)
B.v(x) + v(y) – 2v(x, y)
C.v(x) + v(y) + 2v(x, y)
D.v(x) – v(y)
Q 71 :
G.M is a better measure than others when,
A.ratios and percentages are given
B.interval of scale is given
C.Both (a) and (b)
D.Either (a) or (b)
Q 72 :
Mean and S.D. of x is 50 and 5 respectively. Find mean and S.D. of ​ .
A.(1, 0)
B.(0, 1)
C.(1, 1)
D.(0, –1)
Q 73 :
Mean and S.D. of a given set of observations is 1,500 and 400 respectively. If there is an increment of 100 in the first year and each observation is hiked by 20% in 2nd years, then find new mean and S.D.
A.1920, 480
B.1920, 580
C.1600, 480
D.1600, 400
Q 74 :
If 5 is subtracted from each observation of some certain item then its coefficient of variation is 10% and if 5 is added to each item then its, coefficient of variation is 6%. Find original coefficient of variation
​ is :
​ .
​ is 10. Find x where x > 0 .