Question # 1

When the expected frequencies are very small the value of=χ2has been

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adjusted

omitted

changed

all of these

Hypothesis that does not completely specify the underlying population distribution is called

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simple hypothesis

dual hypothesis

composite hypothesis

common hypothesis

The ___________ allow you to type information into the computer.

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Mouse

Scanner

Printer

Keyboard

Is sampling without replacement, an element can be chosen:

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Less than once

More than once

Only once

Difficult to tell

If b_yx = 0.89 and b_xy = 0.75, then r=

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0.89

0.28

0.98

0.82

Arithmetic operations are carried out by_______ units:

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CPU

RAM

ALU

ROM

The error which arises due to faulty sampling frames and processing of data is called

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random error

sampling error

non-sampling error

systematic error

Screen output is considered as a _________.

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Hardcopy

Softcopy

Input

Software

A business cycle has

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one phase

two phases

three phases

four phases

The distance between an estimate and the estimated parameter is called:

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Sampling error

Standard error

Bias

Error of estimation

The moment coefficient of skewness is

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β₁

β₂

S_k

m₃

If critical region is located equally in both tails of the sampling distribution of test statistic, the test is called ------------- test

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one tailed

two tailed

left tailed

right tailed

RAM is called

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primary storage

secondary storage

tertiary storage

tetra storage

The estimates of the parameters=α and=β are

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μ and=σ2

a and b

μ andπ

χ2 and Z

The choice of one-tailed test and two tailed test depends upon:

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Composite hypothesis

Null hypothesis

Alternative hypothesis

Simple hypothesis

Regression line x on y is

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Machine language is in the form of

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1 and 2

0 and 1

1 and 3

0 and 3

All odd order moments about mean are

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unique

zero

different

one

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