Question # 1

The square of standard deriation :

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Standard deriation

Range

Dispersion

Variance

In class (30-39), lower class limit is....

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39

9

30

34.5

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

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I

II

III

IV

The measure of the external angles of a regular octagon is:

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If a:b = x:y, then alternando property is:

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A cumulative frequency table is also called.....................

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Frequency distribution

Data

Less then cumulative frequency distribution

Histogram

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A Deviation is defined as a difference of any value of the variable from a:

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Constant

Histogram

Sum

In a proportion a : b :: c : d, b and c are called:

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Means

Extremes

Fourth proportional

None of these

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u = wk²

u = vk²

u = w²k

u = v²k

The total of frequency up to an upper class limit or boundary is called:

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frequency

class frequency

cumulative frequency

relative frequency

Variance is denoted by...........................

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V

S

S²

X

The nature of roots depends on the value of:

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-b+4ac

b²+4c

b²-4ac

-b+4ac²

A single fraction which is the simplified from of two or more than two fractions is called:

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Proper fraction

Improper fraction

Rational fraction

Resultant fraction

If the two circles touches externally, then the distance between their centres is equal to the:

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Difference of their radii

Sum of their radii

Product of their radii

ax²+bx+c=0, c is the:

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Co-efficient

Variable

Factors

Constant

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