Question # 1

When referring to a curve whose longer tail is to the right, you would call it.

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Symmetrical

Positively skewed

Negatively skewed

None of these

Co-efficent of quartile deviation can be calculated by the following formula

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the term 'event' is used for.

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Time

Subaet of the sample space

Total number of outcomes

Probability

The most frequent value of the data is called

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Median

Mode

Mean

H.M

If the values in a sereis are not of equal importance, we compute the.

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Median

Mean

Weighted mean

Harmonic mean

Which of the following measures of dispersion is independent of the units employed.

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Standard deviation

Quartile deviation

_{Coefficient of variation}

Variance

When two dice are rolled, the numebr of possible sample points is.

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6

12

36

48

A coin and die can be thrown together in

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2 ways

12 ways

8 ways

None of these

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8

0

1/8

3

Third quartile Q₃ =

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P₃₃

D₃

Median

None of these

In binomial each trial has

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One outcome

Two outcomes

Three outcomes

Four outcomes

The ratio of A to B is the fraction:

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B /A + B

A / B

^{B / A}

A / A + B

Which ofthe following methods uses quantities consumed in the current period when computing a weighted index.

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Laspeyres method

Marshall -Edge worth's methods

Peasche's method

Fisher's method

Hourly temperature recorded by Weather Bureau repeaents.

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Discrete data

Continuous data

Secondary datar

Primary data

The mean of a binomial dristubution depends on

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Parability of success

Probability of failure

Number of trials

Botha a and c

When we draw the sample with replacement (the first sample is replaced before the next draw), the probability distribution to be used is:

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Binomial

Hypergeometric

Both Binomial & hypergeometric

None of these

Mean, Median and mode of binomial distribution can be equal if

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P < q < 1/2

P > q < 1/2

P ≠ q

If we went to compare the prices of wheat then we have to compute.

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Price index number

Quantity index number

Volume index number

Both B and C

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