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Statistics Ics Part 1 Online Test MCQs With Answers
Question # 1
Mode of the sereis 2,2,2,3,3,3,2,3,3,4 is.
Choose an answer
3
2 and 3
4
None of these
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Question # 2
If the random variable x denotes the number of heads of when three distinct coins are tossed k the X assumes values.
Choose an answer
0,1,2,3
1,3,3,1
1,2,3
1,1,1,1
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Question # 3
Two events A and B are mutually exclusive if P(A
∪
B) =
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P(A) - P(B)
P(A) + P(B)
P(A)P(B) - P(A
∪
B)
P(A) + P(B) - P(A
∪
B)
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Question # 4
The sum of absolute deviations is a minimum if these deviations are taken from the
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Mean
Mode
Median
All of these
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Question # 5
In binomial distribution trails are
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Independent
Dependent
Both
Discrete
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Question # 6
The number 5.56500 rounded off to nearest hundredth is.
Choose an answer
5.57
5.56
6.00
5.00
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Question # 7
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 # 8
In a hypergeometric distribution N = 6, n = 2, K = 3 Then mean.
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1
2
3
4
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Question # 9
Which of the following distribution(s) has 3 parameters.
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Binomial distribution
Hypergeometric distribution
Both of the above
None of these
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Question # 10
A non - orderly arrangement of thing s is called:
Choose an answer
Permutation
Equally likely
Combination
Equally likely
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Question # 11
The mean of binomial distribution is always:
Choose an answer
Equal to variance
Less than variance
Greater then variance
None of the these
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Question # 12
In constructing a frequency distribution for a sample, the numebr of classes depends on.
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The number of data points
The range of the data colelcted
Teh size of the population
Both a and b but not c
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Question # 13
Geometric mean of the relative is.
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Reversible
None - Reversible
Both A and B
None of these
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Question # 14
The binomial distribution is symmetrical when:
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P > q
p = 1/2
Probability of success & probability of failure are equal
Both (B) and (C)
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Question # 15
Both binomial and hypergeometric distribution are.
Choose an answer
Continuous probability distribution
Discrete prbability distributions
Neither continous nor discrete probability distributions.
Bivarieate distributions.
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Question # 16
A binomial random variable can assume the values
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1,2......n
0,1,2......00
0,1,2......n
2,4,6,8,10
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Question # 17
Probility density function is the probebilyt function of.............. random variable.
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Discrete
Qualitative
Continuous
None
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Question # 18
A probability function is _________ function.
Choose an answer
Mathematical
Mathematical expectation
Converges
None of these
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