Question # 1

Why are the outcomes of a coin tossing mutually exclusive.

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The outcome of any toss is not affected by teh outcome of those preceding it.

Both a head and a tail cannot turn up on any one toss

The probability of getting a head and the probability of getting a tail is the same.

All of these

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

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a graph of a cumulative frequency distribution is called.

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Histogram

Ogive

Frequecny polygon

None of thesse

What is teh major assumption we make when computing a mean from grouped data.

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All values are discrete

Eveery value in a class is equal to the midpoint

No value occurs more than once

Each class contains exactly the same number of values

The hypergeometric distribution has parameters

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Two

Three

Four

Five

Variance σ²is equal to E(y²) - --------------------

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E(y)

[E(y)]²

E(y)²

E² (y)

Coding method is used for calculation of the.

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Median

Mode

Mean

Weighted mean

The smallest and the largest value of data are called.

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Range

Mid point

Extreme value

Arrayed value

Where 'a' is any constant.

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a₁ +a₂+ a₃ +................

na

n₁x₁ + a₂x₂ +..............

Σna

A binomial random variable can assume the values

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1,2......n

0,1,2......00

0,1,2......n

2,4,6,8,10

When two dice are rolled, the numebr of possible sample points is.

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6

12

36

48

Hourly temperature recorded by Weather Bureau repeaents.

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Discrete data

Continuous data

Secondary datar

Primary data

The simplest form of the continuous distribution is the.

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Skewed distribution

Kurtic distribution

Binomial distribution

Uniform distribution

Lack of symmetry is called

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Kurtosis

Skewness

Normality

All of them

A coin is tossed 3 times then, then number of sample points in the sample space is:

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2³

3

8

Both A & C

The parameters of hypergeometric distribution are:

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n,k & p

n, k & q

n, p & q

n, k & N

Index for base period is always take as.

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zero

one

200

100

If data is arranged in increasing order of magnitude that data is scald to be arranged in:

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Descending order

Ascending order

Statistic order

Both A and B

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Statistics Ics Part 1 Online Test MCQs With Answers

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