Question # 1

A fair coin is tossed four times the prob.of getting four heads is:

Choose an answer

1/4

1/2

1/16

1

The harmonic mean of two numbers a and b is:

Choose an answer

2ab/ a+ b

2 / a +b

ab / a + b

a + b/ ab

Standard deviation is calculated from H.M

Choose an answer

Always

Never

Often

None of these

A characteristic which varies in quality from one individual to another is called

Choose an answer

Variable

Statistic

Attributes

Regression

If y = 5x +10 and x is N(10,25) then mean of y is:

Choose an answer

50

60

70

135

An estimator is........ if its expected value is equal to the population parameter to be estmated

Choose an answer

Bad

Based

Unbiased

None of these

Link relatives can be obtained by dividing P_n by:

Choose an answer

P_o

q_o

P_n

P_n-1

Bias is

Choose an answer

Cumulative

Decumulative

Decreasing

None of these

Which is correct for the binomial distribution:

Choose an answer

Mean > Variance

Mean < Variance

Mean = Variance

Mean = standard Deviation

Var (2x + 3) is:

Choose an answer

5 var (x)

4 Var (x)

4 Var (x) +3

4 Var (x) +9

The types of dispersion are:

Choose an answer

2

3

4

5

More Classes

Other Links

NAT I General Science Statistics MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer