Question # 1

Commonly used input device is

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pen

keyboard

monitor

joystick

Super computers can perform more than ---------------- calculations per second ?

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1 million

1 billion

1 trillion

1 lac

If X - N (50,25), then=σ = ________.

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3

5

25

50

A set of points in a rectangular coordinate system, where each point represents an observed pair of values is called

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least square regression

scatter diagram

pie graph

regression coefficient

For a least squares linear trend Y = a + bX

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ΣY = ΣY

ΣY = 0

ΣY > ΣY

None of them

The degree of confidence is equal to:

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β

1 - β

1 - α

α

Keyboard is commonly used_______device.

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Output

Input

Primary

Secondary

A statistical hypothesis is an assertion or conjecture about the distribution of random variables

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one

two

one or more

three

An automobile is driven on the average on more than 1600 kilometers per year, the null hypothesis is

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H_o : μ = 16000 kilometers

H_o : μ ≤ 16000 kilometers

H_o : μ < 16000 kilometers

H_o : μ > 16000 kilometers

A binary digit is commonly called:

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Byte

Kilobyte

Gigabyte

Bit

Screen output is considered as a

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softcopy

hardcopy

screen copy

print copy

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ICS Part 2 Statistics Online Test MCQs With Answers

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