Question # 1

Sum of squares of deviations of the valeus is least when deviations are taken fro.

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Median

Mode

Mean

Harmonic mean

When sample space S is partitioned into some mutually exclusive events such that their union is sample space itself. Then the events are called

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Simple events

Compound events

Equally likely events

Exhaustive events

In binomial each trial has

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One outcome

Two outcomes

Three outcomes

Four outcomes

How many basic types of index numbers.

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2

3

4

5

Weight of students in a class make

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Discrete data

Continuous data

Constant data

Qualitative data

For a constant K ,the variance of K.

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Zero

A^-2

K

None of these

The coins are tossed, the porbability of two tails is euql to.

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1/2

1/4

3/4

1

P(A or B) = P (A∪B) = P(A) +P(B) then A and B are.

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Mutually exclusive

Independent events

Not mutually exclusive

Dependent

If N = 40, n = 5, k = 4, then mean of hypergeometic distribution is.

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1

1/2

1/4

1/3

Code method of calculation is only used in:

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Median

Combined mean

A.M

None of these

Coding method is used for calculation of the.

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Median

Mode

Mean

Weighted mean

In symmetrical distribution if Q1 = 4, Q3 = 12 then median is.

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4

6

8

zero

The data which have already been collected by some one are called.

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Secondary data

Primary data

Arrayed data

None of these

The phase of statistics that is concerned with the description and analysis of sample or population data is called.

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Inferential statistics

Deacriptive statistics

Sample statistics

Inductive statistics

Karl Pearson's 1^st co-efficient of skewness is given by formula

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None of these

A person can choose a tie and a suit form 3 suits ad 5 ties in

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8 ways

15 ways

30 ways

None of these

The positive square root of the mean of the squares of deviations of values from their mean is

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Variance

Covariance

Standard deviation

Standard error

Var (KY) = ......................

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KY

K² Var(Y)

K²Var (Y)

None of these

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Statistics Ics Part 1 Online Test MCQs With Answers

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