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Statistics Ics Part 1 Chapter 3 Online Test MCQs With Answers
Question # 1
Sample mean is an
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Estimated statistic
Updating statistic
Biased statistic
Unbiased statistic
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Question # 2
When calculating the average rate of debt growth for a company, the correct mean to use is.
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Arithmetic mean
Weigheted arthmetic
Geometric mean
None of these
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Question # 3
Which is appropriate averege for finding the average speed of a journey.
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Mean
Geometric mean
Harmonic mean
Weighted mean
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Question # 4
In symmetrical distribution mean, median & mode are always.
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zero
negative
Different
Equal
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Question # 5
Departure from symmetry is called.
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Kurtosis
Skewness
Dispersion
None of these
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Question # 6
If mean = 40 , Mdoe - 42 , then distributiion is.
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4 skew
2 skew
Symmetrical
All of these
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Question # 7
The mode of letters in the word STATISTICS is:
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S
T
I
S & T
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Question # 8
Third quartile Q
3
=
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P
33
D
3
Median
None of these
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Question # 9
In a symmetrical distribution Q
1
= 20, Median = 30 the Q
3
is:
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50
40
30
60
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Question # 10
Which of the following average is effected by extreme values.
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Median
Mode
Arithmetic mean
All of these
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Question # 11
The sum of square of deviations of the observations from their mean is
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Minimum
Maximum
Zero
None of these
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Question # 12
When all the values in a sereis occur the same numebr of times, then it in not possible to compute the.
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Mean
Median
Mode
Weighted mean
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Question # 13
The third quartile is also called
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75
th
percentile
Upper quartile
5
th
deciles
Both (a) and (b)
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Question # 14
When a distribution is symmetrical and has one mode, the highest point on the curve is called the.
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Mode
Median
Mean
All of these
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Question # 15
The mean of a constant 'a' is
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0
a/2
a
2
None of these
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Question # 16
Which is the suitable average for calculting the average price at which articles are sold.
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Geometric mean
Arithmetic mean
Harmonic mean
Mode
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Question # 17
For the given data 2,3,7,0,-8 G.M will be.
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Negative
Positive
Zero
Impossible
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Question # 18
Code method of calculation is only used in:
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Median
Combined mean
A.M
None of these
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