Question # 1

If constants are added to or subtracted from the values of the variable the value of r is

Choose an answer

Negative

Positive

Zero

Remain unchanged

If right tail is longer than the left tail,then distribution is called:

Choose an answer

Negatively skewed

Positively skewed

Symmetrical

None of these

A quantitative variable whose values are countable is called

Choose an answer

Categorical variable

Continuous variable

Discrete variable

None of these

Which of the following cannot be null hypothesis:

Choose an answer

qΣ q

q³ q

q = q

q¹ q

A constant can take values:

Choose an answer

Fixed

Not fixed

Zero

None of these

If var (x) =5, var(y) =10, then var (2x + y) is:

Choose an answer

10

15

30

25

Given N = 5 and n = 3 in simple random sampling with replacement how many possible samples are there?

Choose an answer

10

125

60

15

In a Binomial prob.Distn it is impossible to find:

Choose an answer

P (X < 0)

P (X = 0)

P( X > 0)

P(0Σ X Σ n

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

Choose an answer

50

60

70

135

If E(q̂) = q then q̂ is called

Choose an answer

Biased estimator

Unbiased estimator

Positively biased

Negatively biased

In which sense Statistics means numerical data:

Choose an answer

Singular

Plural

Both

None of these

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