Question # 1

Commodities subject to considerable price variation should best be measured by

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Quantity index

Price index

Value index

None of thes

The probability of a 'Jack' Card form 52 playing card is:

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1/52

4/52

13/52

26/52

The probability of failure is equal to.

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p

1 - q

P - 1

1 - P

The probability of getting two red balls with replacement from a bag containing 4 red, 3 white and 3 black balls is.

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4/25

1/25

9/100

2/25

Arrangement of things without regard to order is called.

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Raw data

Arrayed data

Permutation

Combination

test2

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3

4

2

The hypergeometric experiment has propeties

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One

Three

Four

Five

A fair coin tossed four times, the probability of getting four heads is.

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1

1/4

1/2

1/10

It is the reciprocal of the simple average of teh reciprocal of all the values.

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A.M

G.M

H.M

Mode

Code method of calculation is only used in:

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Median

Combined mean

A.M

None of these

If we do not replace the draw cards back into the pack before the next draw, the used probability distribution will be:

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Binomial

Hypergeometric

Both binomial & hypergeometric

None of these

For a certain distribution if Σ(x -10) = 5, Σ(x -20) =18 & Σ(x -15) = 0 then the value of Σ is.

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10

15

20

25

The binomial distribution has the following parameters.

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p & q

n & q

n, p & q

None of these

The amout of milk given by a cow is a.

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Qualitative variable

Discrete variable

Continuous variable

Constant

If the value of a variable are -2, -3, -5, -10 then range is.

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-12

8

-8

0

Mid poitns of top of the rectangular of historgram are joined to get.

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Frequency curve

Polygen

Ogive

Histogram

Which of the following is not based upon all the observations.

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A.M

G.M

H.M

Mode

Which one of the following is not effected by extreme values

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mean

median

mode

both (a) and (b)

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