Question # 1

The n^th positive root of the product of the x₁,x₂,x₃..................x_n observations is called:

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Mode

Mean

Geometric mean

Locus of a point in the plane equidistant from a fixed point is called:

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Radius

Circle

Circumference

Diameter

If variance is equal to 36 then the standard deviation will be:

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36

6

-6

none of these

The standard deviation is 6 then its variance is...........

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√6

36

3

6

The number of time a value appears on a set of data is called:

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Frequency

Average

Mode

Median

The point (-5,-7) lies in ........ quadrant.

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I

II

III

IV

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Proper fraction

Improper fraction

Irrational fraction

Rational fraction

The relation {(1, 2),(2, 3),(3, 3),(3, 4)} is:

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Onto function

In to function

Not a function

One-one function

Co sec 45^o = .................

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1

√2

1/√2

0

Standard form of quadratic equation is:

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The symbol used to denote a second is:

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1°, 1'

1°

1"

1'

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2

6

5

If Tanθ=1 then Sinθ= ____________ whenθ lies in 3rd quadrant.

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1/2

-1/2

-1/√2

1/√2

Roots of the equation 4x²-5x+2=0 are:

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Irrational

Imaginary

Rational

None of these

A grouped frequency table is also called.............

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Data

Frequency distribution

Frequency polygon

Histogram

If 12, p and 3 are in continued proportion, then p =

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