Question # 1

Which one is not an example of random experiments.

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A coin is tossed and the outcome is either a head or a tail

A six sided aid is rolled

All medical insurance clams received by a company in a given year.

Some one of person will be admitted to a hospital emergency room during any hour.

Hypergeometric distribution is a

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Continuous distribution

Discrete distribution

Simple distribution

Normal distribution

Var (3x+2)

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3Var(x) + 2

9Var(x) +2

Var (x) + 0

3Var (X)

Circular test is satisfied by

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Laspeyres index

Paasche's index

Fisher's method

None of these

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y₁ = y₂

Y₁ > y₂

None of these

If the probability of success p = 0.4 for a parability Beronouli trial, the expression 7!/3!4! (0.4)2 (0.6)2 given the probility of getting.

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Exactly three sucoseeson in seven trials

Exactlyfour successin seven trials

Three or more successes in seven trials

Four or more successes in seven trials.

The sum of square of deviations of the observations from their mean is

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Minimum

Maximum

Zero

None of these

The phase of statistics that is concerned with the description and analysis of sample or population data is called.

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Inferential statistics

Deacriptive statistics

Sample statistics

Inductive statistics

When a graph is made to show the total and part of the data, we draw.

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Simple bar chart

Multiple bar chart

Component barchart

None of these

In constructing a frequency distribution for a sample, the numebr of classes depends on.

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The number of data points

The range of the data colelcted

Teh size of the population

Both a and b but not c

If mean = 25 and variance is also 25, then coefficient of variation is

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100%

25%

20%

10%

The relative frequency multiplied by 100 is called.

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Cumulative frequency

Bivariate frequency

Percentage frequency

Sample frequency

Probability of an event cannot be

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Negative

Positive

Zero

One

The variance of 5,5,5,5,5 is.

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0

25

5

125

The simple probability of occurrence of an event in called the.

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Joint probability

Conditional probability

Marginal probability

Subjective probability

The probability of an event connot be.

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= 0

> 0

=1

< 0

The grouped data is.

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Primary

Secondary

Raw data

None of them

the term 'event' is used for.

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Time

Subaet of the sample space

Total number of outcomes

Probability

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Statistics Ics Part 1 Online Test MCQs With Answers

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