Question # 1

A binomial random variable can only assume the values

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1,2.................n

0, 1, 2.....................................∞

0, 1, 2,,,,,,,,,,,,,,,,,,,,,,,n

2,4,6,8,10

For a symmetrical distribution:

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b₁ = 0

b₁ = 3

b₂ = 3

b₃ = 3

1- a is also called

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level of significance

Power of test

Size of test

Confidence co-efficient

An estimator is a

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Parameter

Constant

Random variable

Statistic

The binomial distribution is symmetrical when

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p = q

p > q

p < q

None of these

Var (ax + b ) is:

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a² var (x) + b

a var (x) - a²

a² var (x)

Zero

If for a contingency table d.f = 12 and the no of rows = 4 then the no of columns will be

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5

4

3

2

The probability of type-1 error is denoted by

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a

1- a

b

1- b

P or q cannot be greater than:

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1

0

2/3

1/2

In Mesokurtic distribustion

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m₄ < 3s⁴

m₄ = 3s⁴

m₄ ¹ 3s⁴

m₄ > 3s⁴

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NAT I General Science Statistics MCQs With Answers

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