Question # 1

The formula of group data of the median is:

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l + h/f (n/2 -c)

l +∑fx/∑f x n,

l + f_m- f₁/2f_m - f₁ - f₂ x n,

A + ∑fu/∑f x n

Which of the following is distributive property of union over intersection?

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A∪ (B ∪ C) = A∪ (B∪ C)

A∩ (B∩C)= (A∩B)∩C

A∪ (B∩ C) = ( A∪ B)∩ (A∪ C)

A∩(B∪ C) = (A∩B)∪(A∩C)

The different number of way to describe a set are.

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1

2

3

4

The measures that are used to determine the degree or extent of variation in a data set are called:

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central value

A.M

measures of dispersion

median

By definition, which of the following is a set?

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{a,b,c,d}

{1,2,3,2}

{l,m,n,o}

{0,1,2,3,1}

Power set of an empty set is.

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∅

{a}

{∅,{a}}

{∅}

If x⊆ A and x∉ b, then { x } is equal to.............

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A - B

B - A

A∩ B

A^c

Collection of distinct objects.

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Subset

Power set

Set

None of the

The set having only one element is called:

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Null set

Power set

Singleton set

Subset

If f is a function from A to B, then f is onto function if:

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Range f≠ A

Range f = B

Dom f = A

Second element of all ordered pairs contained in f is not repeated.

A∩ A^c= ...........................

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∪

A^c

∅

A

The Range of R

={(1,3),(2,2),(3,1)(4,4)} is.

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{1,2,4}

{3,2,4}

{1,2,3,4}

{1,3,4}

A subset of A x A is called.................. in A.

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Set

Relation

Function

Info function.

A collection of well-defined distinct object is called:

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Subset

Power set

Set

None of these

If A has two elements and B has 3 elements, then number of binary relations in A x B is __________

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2 x 3

2³

2⁶

2²

If A is subset of U, then (A^c)^c= .........

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A

A^c

U^c

∅

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