Question # 1

Mode of the sereis 2,2,2,3,3,3,2,3,3,4 is.

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3

2 and 3

4

None of these

If the random variable x denotes the number of heads of when three distinct coins are tossed k the X assumes values.

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0,1,2,3

1,3,3,1

1,2,3

1,1,1,1

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)

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

In binomial distribution trails are

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Independent

Dependent

Both

Discrete

The number 5.56500 rounded off to nearest hundredth is.

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5.57

5.56

6.00

5.00

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

In a hypergeometric distribution N = 6, n = 2, K = 3 Then mean.

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1

2

3

4

Which of the following distribution(s) has 3 parameters.

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Binomial distribution

Hypergeometric distribution

Both of the above

None of these

A non - orderly arrangement of thing s is called:

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Permutation

Equally likely

Combination

Equally likely

The mean of binomial distribution is always:

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Equal to variance

Less than variance

Greater then variance

None of the these

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

Geometric mean of the relative is.

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Reversible

None - Reversible

Both A and B

None of these

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)

Both binomial and hypergeometric distribution are.

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Continuous probability distribution

Discrete prbability distributions

Neither continous nor discrete probability distributions.

Bivarieate distributions.

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

Probility density function is the probebilyt function of.............. random variable.

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Discrete

Qualitative

Continuous

None

A probability function is _________ function.

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Mathematical

Mathematical expectation

Converges

None of these

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Statistics Ics Part 1 Online Test MCQs With Answers

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