Question # 1

The sum of the deviation form mean of a set of an value is

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least

0

positive

None of these

In case of positively skewed distribution the extreme values lie in the.

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Middle

Left tail

Right tail

Any where

The probability of even/odd number when a fair die rolled is:

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1/6

2/6

1/36

3/6

If the chance of occurance of two events are same then such events are called

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Independent events

Dependent events

Mutually exclusive events

Equally likely events

The mid value of the arrayed data is called

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Median

Mode

Mean

Geometric mean

Which method of construction of consumer price index number is the laspeye's index number.

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Aggregate expenditure method

Family budget method

Both a and b

None of these

Teh suitable average for the qualitative data is.

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Mean

Mode

weighted mean

Geometric mean

The variance of 4,4,4,4,4 is.

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-4

(4)²

8

0

Commodities subject to considerable price variation should be best measured by

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Quantity index

Price index

Value index

None of these

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)

Circular test is satisfied by

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Laspeyres index

Paasche's index

Fisher's method

None of these

When a die and a coin are rolled together all possible outcomes are.

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2

6

12

36

The most frequent value of the data is called

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Median

Mode

Mean

H.M

F(-∞) is always equal to.

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Zero

One

Two

Negative one

Classification of data according to locations or areas is called.

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Temporal classification

Geographical classification

Qualitative classification

Quantitative classification

Statistics is a characteristics calculated from.

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Sample data

Fictitious data

Arrayed data

Population data

For symmetrical distributions the values of co-efficent of skewness is

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Negative Number

Positive Number

Imaginary Number

Pure Number

Why is it necessary to square the difference from the mean when computing the standard deviation.

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So that the extreme values will not affect the calculation

Some of the differnece will be positive and some will e negative

It can change drastically from one data set to the next

It is determined by only two points in the data set

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