Question # 1

If y = 5x +10 and x is N(10,25) then mean of y is:

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50

60

70

135

The data collected by NADRA to issue computerized identity cards are:

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Primary data

Secondary data

Un-official data

Qualitative data

If constants are added to or subtracted from the values of the variable the value of r is

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Negative

Positive

Zero

Remain unchanged

If any value is negative in the data then it is impossible to calculate:

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A.M

H.M

G.M

Mode

Sum of the random errors is equal to:

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3

2

1

0

Is a normal distribution μ = 10 and σ² = 25 the mode is

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5

10

25

100

If b_yx < 0 and b_xy < 0 then "r"

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=0

<0

>0

¹ 0

The total angle of pie chart is:

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90^o

1800^o

360^o

270^o

The data in their original form are called

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Secondary data

Ordered data

Primary data

Un-official data

The probability of red card out of 52 cards is:

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1/4

1/2

4/52

Zero

Current year weighted are used as

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Laspeyr's index number

Paasch's index number

Fisher ideal index number

None of these

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