Question # 1

The midpoint of the group 5,5-7,5 is

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6

6,5

7

13

How many basic types of index numbers are?

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2

3

5

4

Is a normal distribution μ = 10 and σ² = 25 the mode is

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5

10

25

100

y = ax + b, then mode (y) = ---------

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Mode (x) a

Mode (x) + b

a mode (x)

None of these

Which of the following cannot be null hypothesis:

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qΣ q

q³ q

q = q

q¹ q

When the two variables are uncorrelated the value of r is

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-1

0

+1

None of these

An estimator is a

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Parameter

Constant

Random variable

Statistic

Binomial distribution has parameters:

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One

Two

Three

Four

In the regression equation x =a + by then called

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Independent variable

Dependent variable

Quantitative variable

Continuous variable

The value of the data lying between Q₁ and Q₃ are

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50%

25%

75%

None of these

In unimodal distribution If mode is less than mean then distribution is

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Symmetrical

Normal

Positively skewed

Negatively skewed

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NAT I General Science Statistics MCQs With Answers

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