Question # 1

If the occurance of one event is not effected by the occurance of other than these events are called

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Dependent

Independent

Simple

Compound events

The bionomial probability distribution is symmetrical when

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p = q

p < q

p > q

np > npq

The compare the variation of two or more than two sereies, we use.

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Mean absolute deviation

Variance

Coefficient of viariation

Corrected atandard deviation

Which is the most suitabel average in chain base method.

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Arithemetic mean

Median

Geometric mean

Weighted arithmetic mean

The probability of drawing a king of spade from a pack of 52 cards is.

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1/4

1/13

1/26

1/52

The most central value of an arrayed data is.

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Mode

Median

Mean

Harmonic mean

a graph of a cumulative frequency distribution is called.

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Histogram

Ogive

Frequecny polygon

None of thesse

The probability of vowel letters form the words STATISTIC is.

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2/10

3/10

0

4/10

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 probability distribution of discrete random variable is called is

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Frequency distribution

Probability distribution

Probability mass function

Both (a) and (b)

The 5^th decile is always equal to

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1^st quartile

2^nd quartile

3^rd quartile

Both (a) and (b)

As a general rule, when arranging data statisticians tend to use.

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Less than six classes

Between six and fifteen classes

Only fifteen classes

More than twenty classes

For an open and distribution, without assuming certain limits it is not possible to find:

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A.M

G.M

Median

Boat A and B

When two coins are tossed simulataneously the probability of at most one head is.

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1/2

1/4

3/4

None of these

When statistics is applied in Biology then it is called:

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Econometrics

Statistical inference

Statistical biology

Biometry

In which distribution the probabiliyt of success remains constant from triam to triail

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Hypergometric distribution

Binomiial distribution

Sampling distribution

Continuous distribution

Q₂ = Median

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P₂

P₂₀

P₅₀

P₇₅

How many possible permutations can be formed from the wood COMMITTEE.

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45360

9

6

None of them

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