Statistics MCQs

Option A: 1/3

Option B: 2/3

Option C: 1/2

Option D: 0

Correct Answer: 2/3 ✔

Option A: 4/5

Option B: 1/20

Option C: 0

Option D: 1/9

Correct Answer: 4/5 ✔

Option A: 1/4

Option B: 2/4

Option C: 3/4

Option D: 4/4

Correct Answer: 3/4 ✔

Option A: 1/8

Option B: 2/8

Option C: 5/8

Option D: 7/8

Correct Answer: 1/8 ✔

Option A: 18/36

Option B: 9/36

Option C: 6/36

Option D: 12/36

Correct Answer: 18/36 ✔

Option A: 7

Option B: 16

Option C: 36

Option D: 6

Correct Answer: 6 ✔

Option A: 7/12

Option B: 6/12

Option C: 12/12

Option D: 4/12

Correct Answer: 6/12 ✔

Option A: 1/6

Option B: 2/6

Option C: 3/6

Option D: 6/6

Correct Answer: 3/6 ✔

Option A: 13/52

Option B: 12/52

Option C: 16/52

Option D: 3/52

Correct Answer: 12/52 ✔

Option A: Positive

Option B: Zero

Option C: None of these

Option D: Negative

Correct Answer: Negative ✔

Option A: Appeared

Option B: Exactly

Option C: Space

Option D: Elementary event

Correct Answer: Elementary event ✔

Option A: 16

Option B: 24

Option C: 12

Option D: Non of these

Correct Answer: 12 ✔

Option A: Equally

Option B: Events

Option C: Outcomes

Option D: Objects

Correct Answer: Equally ✔

Option A: Dependent events

Option B: Independent events

Option C: Equally likely events

Option D: Mutually Exclusive events

Correct Answer: Independent events ✔

Option A: Fifty %

Option B: Twenty %

Option C: 60%

Option D: 30%

Correct Answer: Fifty % ✔

Option A: Equally likely events

Option B: Exhaustive events

Option C: Mutually Exhaustive events

Option D: dependent events

Correct Answer: Equally likely events ✔

Option A: P(AUB)=P(A) + (B)

Option B: P(AUB) = P(A) + P(B) – P(A∩B)

Option C: P(A∩B) = P(A) + P(B) + P(A∩B)

Option D: P(A∩B) = P(A). P(B

Correct Answer: P(AUB)=P(A) + (B) ✔

Option A: Mutually exclusive

Option B: Exchaustive

Option C: Likely

Option D: Probability

Correct Answer: Likely ✔

Option A: 1/2

Option B: 2/3

Option C: 1

Option D: 3/4

Correct Answer: 1/2 ✔

Option A: As any other

Option B: both event occurs

Option C: One occurs

Option D: not both occurs

Correct Answer: As any other ✔

Option A: Sample point

Option B: Set

Option C: Event

Option D: Space

Correct Answer: Event ✔

Option A: The sale or purchase price of a house

Option B: The number of bedrooms in a house

Option C: Whether or no t a home has a swimming pool in it.

Option D: Non of these

Correct Answer: The number of bedrooms in a house ✔

Option A: Probability

Option B: Event

Option C: Random Variable

Option D: Z-Value

Correct Answer: Event ✔

Option A: Independent events

Option B: Mutually Exclusive events

Option C: Bayesian

Option D: Empirical

Correct Answer: Mutually Exclusive events ✔

Option A: The likelihood of two events happening together

Option B: The likelihood of two events happening given that another event has already ha

Option C: Based on two mutually exclusive events

Option D: Also called Prior probability

Correct Answer: The likelihood of two events happening together ✔

Option A: 4/52

Option B: 1/26

Option C: 8/52

Option D: 1/169

Correct Answer: 8/52 ✔

Option A: Classical Probability

Option B: Subjective Probability

Option C: Relative Frequency

Option D: Independent

Correct Answer: Classical Probability ✔

Option A: Random Variable

Option B: Contingency table

Option C: Bayesian table

Option D: Probability distribution

Correct Answer: Probability distribution ✔

Option A: 26/52=1/2

Option B: 13/52

Option C: 20/52

Option D: 12/52

Correct Answer: 26/52=1/2 ✔

Option A: Equal sets

Option B: Over lapping sets

Option C: Non- overlapping sets

Option D: None of these

Correct Answer: Non- overlapping sets ✔

Option A: The elements of A or B

Option B: The elements of A and B

Option C: The elements A but not of B

Option D: None of these

Correct Answer: The elements of A or B ✔

Option A: 1/2

Option B: 1/3

Option C: 1/12

Option D: 3/8

Correct Answer: 1/3 ✔

Option A: 0.05

Option B: 0.75

Option C: 0.8

Option D: 0.45

Correct Answer: 0.8 ✔

Option A: 1/2

Option B: 1

Option C: 2/3

Option D: 1/3

Correct Answer: 1 ✔

Option A: 1/4

Option B: 2/4

Option C: 3/4

Option D: 4/4

Correct Answer: 1/4 ✔

Option A: 1/1-rn

Option B: a/1-r

Option C: a/1-rn

Option D: a/(1-r)n

Correct Answer: a/1-r ✔

Option A: 1/36

Option B: 6/36

Option C: 12/36

Option D: 18/36

Correct Answer: ✔

Option A: 13/52

Option B: 1/2

Option C: 4/52

Option D: 0

Correct Answer: 13/52 ✔

Option A: Four

Option B: Three

Option C: Two

Option D: One

Correct Answer: Two ✔

Option A: Random

Option B: Raw data

Option C: Introduce

Option D: Specified

Correct Answer: Random ✔

Option A: Events

Option B: Subset

Option C: Piont

Option D: Distinct

Correct Answer: Piont ✔

Option A: 1/6

Option B: 2/6

Option C: 1/36

Option D: 3/6

Correct Answer: 3/6 ✔

Option A: 6 outcomes

Option B: 24 outcomes

Option C: 216 outcomes

Option D: Non of these

Correct Answer: 6 outcomes ✔

Option A: Two

Option B: Three

Option C: Four

Option D: One

Correct Answer: One ✔

Option A: Finite

Option B: Random

Option C: Continuous

Option D: values

Correct Answer: Random ✔

Option A: 0

Option B: -1

Option C: 1

Option D: Infinity

Correct Answer: 1 ✔

Option A: (C)

Option B: E(x)

Option C: b E(a)

Option D: b

Correct Answer: E(x) ✔

Option A: A

Option B: a E(x)

Option C: x E(a)

Option D: Non of these

Correct Answer: a E(x) ✔

Option A: Continuous data

Option B: Random

Option C: Discrete data

Option D: Non of these

Correct Answer: Continuous data ✔

Option A: (X – A)2

Option B: E(x)

Option C: (x – u)2

Option D: (x – 4)2

Correct Answer: D. (x – 4)2 ✔

Option A: 0 and 1

Option B: 0,1,2,…………9

Option C: 1,2,3….10

Option D: None of these

Correct Answer: B. 0,1,2,…………9 ✔

Option A: E(x + 0)

Option B: E(x + x)

Option C: E(x) + E(y)

Option D: E(y)

Correct Answer: E(x + x) ✔

Option A: Experiment

Option B: Variable

Option C: Random experiment

Option D: Non of these

Correct Answer: Variable ✔

Option A: Random space

Option B: Space

Option C: Random sample

Option D: Non of these

Correct Answer: Random space ✔

Option A: Trial

Option B: event

Option C: Experiment

Option D: Random experiment

Correct Answer: Random experiment ✔

Option A: Random experiment

Option B: random Errors

Option C: Random digits

Option D: None of these

Correct Answer: Random digits ✔

Option A: Interval

Option B: Point

Option C: Time

Option D: Sample space

Correct Answer: Interval ✔

Option A: Discrete variable

Option B: Qualitative variable

Option C: Continuous variable

Option D: None of these

Correct Answer: Continuous variable ✔

Option A: k Var (Y)

Option B: k2 Var(Y)

Option C: Var(Y)

Option D: k2

Correct Answer: k2 Var(Y) ✔

Option A: Var(X) + Var (Y)

Option B: Var(X) – Var (Y)

Option C: Var (X)±

Option D: Zero

Correct Answer: Var(X) + Var (Y) ✔

Option A: Mean/S.D.

Option B: S.D./Mean x 100

Option C: Mean/S.D. x 100

Option D: S.D./Mean

Correct Answer: S.D./Mean x 100 ✔

Option A: Zero

Option B: C

Option C: 1

Option D: 2

Correct Answer: C ✔

Option A: 0.1

Option B: 1

Option C: 0.5

Option D: 0

Correct Answer: Cannot be determined from given information ✔

Option A: 1

Option B: 2

Option C: 0

Option D: Constant

Correct Answer: 0 ✔

Option A: -1 and 0

Option B: 0 and 1

Option C: -1 and 1

Option D: exactly 1

Correct Answer: 0 and 1 ✔

Option A: Harmonic Mean

Option B: Geometric Mean (GM)

Option C: Arithmetic Mean (AM)

Option D: Non

Correct Answer: Geometric Mean (GM) ✔

Option A: 0

Option B: -1

Option C: 1

Option D: Non of These

Correct Answer: Non of These ✔

Option A: P(X=x)

Option B: P(X

Option C: P(X>x)

Option D: P(X≤x)

Correct Answer: P(X ✔

Option A: Probability Function

Option B: Distribution Function

Option C: Probability Distribution

Option D: Probability Density Function

Correct Answer: Distribution Function ✔

Option A: Negative

Option B: Non Negative

Option C: Positive

Option D: None

Correct Answer: Negative ✔

Option A: A Table

Option B: A Graph

Option C: A mathematical Equation

Option D: All of these

Correct Answer: All of these ✔

Option A: ∑P(x)

Option B: ∑x.P(x)

Option C: ∑x2P(x)

Option D: One

Correct Answer: ∑x.P(x) ✔

Option A: Var(bX) + a

Option B: b2 Var(X)

Option C: b Var(x)

Option D: None of these

Correct Answer: b2 Var(X) ✔

Option A: Continuous variable

Option B: Discrete variable

Option C: Function

Option D: None of these

Correct Answer: Discrete variable ✔

Option A: Not a function

Option B: A continuous variable

Option C: A function

Option D: None of these

Correct Answer: A function ✔

Option A: Random function

Option B: Distribution function

Option C: Continuous function

Option D: probability function

Correct Answer: Distribution function ✔

Option A: Two- digit number take

Option B: Random table

Option C: Pack

Option D: Non of these

Correct Answer: Random table ✔

Option A: 2

Option B: 10

Option C: 99

Option D: 100

Correct Answer: 10 ✔

Option A: fixed

Option B: continuous

Option C: discrete

Option D: discrete or continuous

Correct Answer: continuous ✔

Option A: E(x) – E(x)

Option B: E(X) – 0

Option C: 0

Option D: E(x) + E(x)

Correct Answer: 0 ✔

Option A: Discrete

Option B: Variable

Option C: Scale

Option D: Non of these

Correct Answer: Discrete ✔

Option A: 8

Option B: 10

Option C: 6

Option D: 12

Correct Answer: 10 ✔

Option A: 3.86

Option B: 8.37

Option C: 9.21

Option D: 10.63

Correct Answer: 8.37 ✔

Option A: 60

Option B: 90

Option C: 70

Option D: 100

Correct Answer: 70 ✔

Option A: Uni-Modal

Option B: Bi-Modal

Option C: Tri-Modal

Option D: Multi-Modal

Correct Answer: Bi-Modal ✔

Option A: a+b2

Option B: 2aba+b

Option C: ab−−√

Option D: a+b

Correct Answer: 2aba+b ✔

Option A: Geometric Mean

Option B: Median

Option C: Arithmetic Mean

Option D: Harmonic Mean

Correct Answer: Arithmetic Mean ✔

Option A: X1+X2

Option B: X1+X2x

Option C: X1+X2−−−−−−−√

Option D: X1×X2−−−−−−−√

Correct Answer: X1×X2−−−−−−−√ ✔

Option A: Arithmetic Mean

Option B: Geometric Mean

Option C: Median

Option D: Mode

Correct Answer: E. Both C. and D. ✔

Option A: 5%

Option B: 10%

Option C: No Change

Option D: 110%

Correct Answer: 10% ✔

Option A: -3

Option B: 0

Option C: 3

Option D: Cannot be Computed

Correct Answer: Cannot be Computed ✔

Option A: Median

Option B: Geometric Mean

Option C: Arithmetic Mean

Option D: Harmonic Mean

Correct Answer: Geometric Mean ✔

Option A: Mode

Option B: Median

Option C: Mean

Option D: Harmonic Mean

Correct Answer: Mean ✔

Option A: Mode

Option B: Median

Option C: Harmonic Mean

Option D: Geometric Mean

Correct Answer: Median ✔

Option A: Mode

Option B: Median

Option C: Mean

Option D: Geometric Mean

Correct Answer: Median ✔

Option A: Mean

Option B: Median

Option C: Harmonic Mean

Option D: Mode

Correct Answer: Mode ✔

Option A: 275th item

Option B: 375th item

Option C: 150th item

Option D: 175th item

Correct Answer: 375th item ✔

Option A: 2066.55 units

Option B: 5031.10 units

Option C: 4021.12 units

Option D: 3012.11 units

Correct Answer: 2066.55 units ✔

Option A: 140

Option B: 300

Option C: 180

Option D: 280

Correct Answer: 280 ✔

Option A: 140th item

Option B: 130th item

Option C: 160th item

Option D: 150th item

Correct Answer: 150th item ✔