Question # 1

A∪ A^c=..............

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∪

A

A^c

∅

A set having only one member.

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Empty set

Power set

Singleton set

Sub set

A set with no element is called:

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Subset

Empty set

Singleton set

Super set

O∩ E = ....................

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∅

O

E

Z

The formula of grouped data of the arithmetic mean is:

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X̅ = ∑X/n

X̅ = A + ∑fX/∑X

X̅ = ∑fX/n

X̅ = l +n/f (n/2 - c)

The domain of R = {(0, 2), (2, 3), (3, 3), (3, 4)} is:

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{0, 3, 4}

{0, 2, 3}

{0, 2, 4}

{2, 3, 4}

N∪ W = ....................

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∅

{∅}

N

W

If f: A→ B and range of f= B , then f is an..............

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into function

onto function

bijective function

function

The date presented in the form of frequency distribution is called:

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distribution

grouped data

range data

regrouped data

Formula to determine the size of a class is:

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X_max - X_min

X_max + X_min

Range/number of groups

number of groups/Range

If set has 3 and B has 2 elements then number binary relations of A x B.

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2²

2⁸

2⁶

2³

The number of elements in the power set of {1,2,3,4}.

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4

8

16

0

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

The number of elements in power set {1,2,3}:

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4

6

8

9

Point (-1,4) , lies in the quadrant.

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I

II

III

IV

Point (-1, 4) lies in the quadrant:

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I

II

III

IV

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