Question # 1

A lettter is chosen at random from the word STATITICS , The probability of getting a vowel is.

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1/5

3/10

1/2

2/5

The binomial distribution deal with:

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Discrete variable

Continuous variable

None of these

E(x) = Σxf(x) if it ________ absolutely.

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Equal

Converges

Discrete

None of these

Which of the following can never be described by a binomial distributions.

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The number of difective items produced by an assembly process

The amount of water used by a single housheld

the numebr of students in the class who can answer this questions

All of these can always be described by a binomial distribution

When two coins are tossed simulataneously the probability of at most one head is.

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1/2

1/4

3/4

None of these

For symmetrical distribution mega 3 is.

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zero

1

2

3

A binomial random variable is a (an)

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Constinuous random variable

Discrete random variable

Dependent varaible

Independent variable

Which is the most suitabel average in chain base method.

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Arithemetic mean

Median

Geometric mean

Weighted arithmetic mean

A numerical characteristics of a sample is called.

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Parameter

Variable

Sample

Statistics

The grouped data is.

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Primary

Secondary

Raw data

None of them

Which of the following statements is true of cumulative frequency polygons or ogives for a particular set of data.

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Both less than and or more curves have the same shape

Or more curves slope up and to the right

Less than curve slope down and to the right

Less than curve slope up and to the right

The letter μ is

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German

Latin

Greek

None of these

Weight of whole earth is.

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Discrete variables

Qualitative variable

Constant

Continuous variable

The probability of getting two red balls with replacement from a bag containing 4 red, 3 white and 3 black balls is.

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4/25

1/25

9/100

2/25

Co-efficent of standard deviation can be measured by the following formula

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A fair coin is tossed four times the probability of getting four heads is

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1/4

1/2

4/6

1

The mean deviation is least if deviations are taken from

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A.M

Mode

G.M

Median

the standard deviation is independent of.

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Change of origin

Change of scale of measurement

Change origin and scale of meaturement

None of these

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Statistics Ics Part 1 Online Test MCQs With Answers

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