Question # 1

Accepting H_o when H_o is true is a:

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Type I error

Type II error

Correct decision

None of these

A random variable is of types:

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3

2

1

4

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

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Variable

Statistic

Attributes

Regression

An estimator is a

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Parameter

Constant

Random variable

Statistic

If z = x - y then ̅̅̅̅̅̅z̅ is:

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x̅+y̅

x̅ - y̅

0

x̅y̅

The parameters of the binomial distribution are:

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p and q

q and n

n and p

n,p and q

If E (X) =4, then find arithmetic mean will be:

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4

8

0

1

A set of instruction that run the computer are:

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Hardware

Printers

Monitors

Software

An arrangement of data to show the frequency of occurrence is called

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Frequency distribution

Probability distribution

Data array

Cumulative distribution

Number of ways a committee of 3 members can be selected from 5 members of a club is

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10

60

15

120

If any value is zero in the data then it is impossible to calculate:

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Arithmetic mean

Geometric mean

Mode

Median

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NAT I General Science Statistics MCQs With Answers

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