Question # 1

1 kb = _____________ bytes

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10

100

1000

10,000

Points of inflexion of normal curve are at

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μ and σ

x=μ-σ and x=μ+σ

μ and 2σ

μ = o

If Ho:π >πo , H1:π <πo and level of significance is=α then Ho will be rejected if

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Z < Z=α

Z=α/2 < Z

Z > Z1-α

Z < Z1-α

A high speed memory that is built in processor is called

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built in memory

cache memory

internal memory

external memory

The relationship that describes the dependence of the expected value of the dependent random variable for a given value of the independent non-random variable is called

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equation

relation

ratio

regression

Arithmetic operations are carried out by ---------------- unit

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logical

inner

ALU

other

The descriptive measures of a population are called_______.

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Census

Parameter

Statistics

Bias

A ---------------- error is made by accepting H_o if H₁ is actually true

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type - I

type - II

type - III

type - IV

A population is called _______ if it includes an unlimited number of sampling units.

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Finite

Infinite

Statistic

None of these

The moment Coefficient of kurtosis is

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β₁

β₂

Zero

m₂

Drag and drop is a term associated with:

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Mouse

Keyboard

Printer

Scanner

Study of the population is called_______.

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Parameter

Error

Statistic

Census

For an r x c contingency table, the number of degrees of freedom are equal to:

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rc

r + c

(r-1)+(c-1)

(r-1)(c-1)

Which one is a rough and crude method for measuring secular trend ?

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free hand curve method

semi average method

moving averages method

least square method

If population proportion (P) is unknown, the standard error of the sample proportion (p) can be estimated by the formula

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Which hypothesis is always in an inequality form?

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Simple hypothesis

Alternative hypothesis

Null hypothesis

Composite hypothesis

The power of the test is equal to:

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α

1 - α

β

1 - β

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