Question # 1

In a symmetrical distribution Q₁ = 20, Median = 30 the Q₃ is:

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50

40

30

60

The third quartile is also called

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75^th percentile

Upper quartile

5^th deciles

Both (a) and (b)

The hyper-geometric distribution has........... parameters.

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1

2

3

4

A set containing only one element is called

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Null set

Universal set

Subset

Singleton set

The data whiich have not undergone any statistical treatment are.

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Primary data

Secondary data

Qualitative data

Discrete data

First moment about mean is always equal to.

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Standard deviation

Zero

1

Variance

When x denotes the number of success in binomial experiment it is called.

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Random variable

Binomial random variable

Continuous random variable

Both (B) and (C) but not (A)

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

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

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

Index for base period is always take as.

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zero

one

200

100

The sum of absolute deviation form median is.

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zero

negative

least

maximum

E(Y2) -[E(y)]2 is the formula, and to compute.

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Variance of the random variable

Mean of the random variable

Both A and B

None of these

In a hypergeometric distribution.

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Mean > Variance

Mean < variance

Mean = variance

Mean = Zero

If the mean is less than mode, the distribution is.

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Positively skewed

Negatively skewed

Symmetrical

None of these

The data about the sex of new babies is called:

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Continuous data

Qualitative data

Quantitative data

Discrete data

Fist moment about origin in is always equal

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Mean

Variance

Zero

1(One)

Classification of data by quantitative characteristcs is called.

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Qualitative classification

Quantitative classificaton

Geographical classification

Temporal classification

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Statistics Ics Part 1 Online Test MCQs With Answers

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