STA301 FinalTerm Most Important Repeated Mcqs Online Quiz

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1 / 34

If a die is rolled, what is the probability of getting an even number greater than 2?

1/2

1/3

2/3

5/6

2 / 34

If we roll three fair dices then the total number of outcomes is:

6

36

216

1296

3 / 34

If C is a constant ,then E(c)=

C is a constant ,then E(c)= 0

1

C

-c

4 / 34

Which of the following is not a measure of central tendency?

Percentile

Quartile

Standard deviation

Mode

5 / 34

When we toss a coin , we get only:

outcome

outcame

outcme

oupcome

6 / 34

Evaluate (10-4)!

1000

720

480

32

7 / 34

The standard deviation of -1, -1, -1, -1 will be

1

-1

0

Does not exist

8 / 34

Which of the following measures of dispersion are based on deviations from the mean?

Variance

Standard deviation

Mean deviation

All of the these

9 / 34

If P (B|A) = 0.25 and P (A and B) =0.20, then P (A) is

0.05

0.80

0.95

10 / 34

If Y=3X+5,then S.D of Y is equal to

9 s.d(x)

3 s.d(x)

s.d(x)+5

3s.d(x)+5

11 / 34

In a 52 well shuffled pack of 52 playing cards, the probability of drawing any one diamond card is

1/52

4/52

13/52

52/52

12 / 34

For exhaustive events, the P(AUBUC) is equal to:

P(A)

P(S)

P(A) * P(B)* P(C)

P(B)

13 / 34

Two events A & B are said to be independent if....

P (A) + P (B)

P (BA) = P (B)

P (A) * P (B)

P (AB) = P (A)

14 / 34

The function abbreviated to d.f. is also called the......

Probability density function

Probability distribution function

Commutative distribution function

Discrete function

15 / 34

Probability of an impossible event is always:

Less than one

Greater than one

Between one and zero

Zero

16 / 34

Symbolically, a conditional probability is:

P(AB)

P(A/B)

P(A)

P(AUB)

17 / 34

The distribution function (df) is also known as cumulative distribution function (cdf).

Yes

No

18 / 34

ANOVA was introduced by :

Helmert

Pearson

R.A Fisher

Francis

19 / 34

Analysis of variance is a procedure that enables us to test the equality of several:

Variances

Means

Proportions

Groups

20 / 34

The LSD test is applied only if the null hypothesis is:

Rejected

Accepted

No conclusion

Acknowledged

21 / 34

When f(x) is continuous probability function, then P(X = 1) is:

1

3

5

0

22 / 34

When c is a constant, then E(c) is:

0

1

c

-c

23 / 34

The probability of drawing a king of spade from a pack of 52 cards is:

1/4

1/13

1/26

1/52

24 / 34

For testing of hypothesis about population proportion , we use:

Z-test

t-Test

Both Z & T-test

F test

25 / 34

The test statistic used in analysis of variance procedure follow the ....... distribution.:

χ2

T

Z

F

26 / 34

ANOVA was introduced by :

Helmert

Pearson

R.A Fisher

Francis

27 / 34

The value of χ2
can never be

Zero–

Less than 1

Greater than 1

Negative

28 / 34

The variance of the chi-square distribution is:

2v

v -1

v - 2

v

29 / 34

How many percent of values are less then 4th deciles in a symmetric distribution.

14

24

4

40

30 / 34

The location of the critical region depends upon:

Null hypothesis

Alternative hypothesis

Value of alpha

Value of test-statistic

31 / 34

The Chi- Square distribution is continuous distribution ranging from:

-∞ ≤ χ2≤ ∞

-∞ ≤χ2 ≤1

-∞ ≤χ2 ≤0

0 ≤ χ2≤ ∞

32 / 34

In chi-square test of independence the degrees of freedom are:

n - p

n - p-1

n - p- 2

n – 2

33 / 34

In measures of relative dispersion unit of measurement is:

Changed

Vanish

Does not changed

Dependent

34 / 34

For a particular data the value of Pearson’s coefficient of skewness is greater then zero. What will be the shape
of distribution

Negatively skewed

J-shaped

Symmetrical

Positively skewed

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