Question # 1

If X and Y are random varaibes, than E ( X - Y) is equal to.

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E(X) + E (Y)

E(X) - E(Y)

X - E (Y)

E(X) - Y

Histogramis a graph of.

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Qualitative data

Time sereis

Ogive

Frequency distribution

The whole issue of descriptive and inferential statistic can be described with the help of.

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Statistical analysis

Statistic

Statistical problem

Statistical steps

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

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1

1/4

1/2

1/10

Random numbers are generated from the single digit numbers.

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{ 1,2,3,............. 10 }

{ 0, 1,2,.......................... 10}

{ 0,1,2.............}

{0,1,2,............. 9}

Waht is the probability that a ball drawn at random from the bag is.

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0.1

0.4

1.0

Cannot be determined from given information

The standard deviation of a binomial distribution depends on.

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Probability of success

Probabiliyt of failure

Number of trials

Both a and c

Which set has teh maximum varaition?

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46,48,50

30,40,50

40,50,60

48,48, 49

The purpose of the sample is to draw inference about:

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statistic

Population

Parameter

Primary

Mean of hypergeometric distribution is

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mN/k

nK/N

k/nN

Nk/n

A hypergometric random variable is a (an)

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Independent variable

Continuous random variable

Discrete random variable

None of these

Total angle of pie-chart is.

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270 ^o

300^o

320^o

360^o

Registration is the source of.

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Ogive

Secondary data

Primary data

Histogram

Value of commodity can be calculate by the formula

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P_o x P_n

Price x volume

Price x quantity

When calculating the average rate of debt growth for a company, the correct mean to use is.

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Arithmetic mean

Weigheted arthmetic

Geometric mean

None of these

The numebr of classes in a frequency distribution is obtained by dividing the range of variable by the.

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Total frequency

Class interval

Relative freqeuncy

Mid -points

The average of lower and upper class limits is called.

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Class boundary

class frequency

Class mark

Class limit

The range of the scores 19,3,140,25,95,is

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140

137

143

3

More Classes

Other Links

Statistics Ics Part 1 Online Test MCQs With Answers

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