Question # 1

For Laptokurtic distribution.

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b2 > 3

b2 < 3

b2 = 3

b1 > 3

The amout of milk given by a cow is a.

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Qualitative variable

Discrete variable

Continuous variable

Constant

Which of the following cannot be probability of an event.

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0

1

0.32

1.00

Mode 2, 10 and 7 is.

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2

7

10

None of these

The foot note are usually indicated by.

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(.............)

(***)

(------)

(____)

Var (KY) = ......................

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KY

K² Var(Y)

K²Var (Y)

None of these

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

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140

137

143

3

The mean of the first n natural numbers is.

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n(n+1)2

(n+1)/2

(n-1)/2

n/2

If all the values considered in calculating an inxed are of equal importance, teh index is.

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Weighted

Simple

Un weighted

None of these

The sum of absolute deviations is a minimum if these deviations are taken from the

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Mean

Mode

Median

All of these

Tossing two dice possble sampes are.

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2

6

12

36

If the random variable x denotes the number of heads of when three distinct coins are tossed k the X assumes values.

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0,1,2,3

1,3,3,1

1,2,3

1,1,1,1

In a bionial experiment, the successive trails are.

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Dependent

Independent

Mutually exclusive

FIxed

If X = 0,2,2,4,8,10, then G.M is.

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4

8

10

zero

If Y=X + A , trhe range of Y =

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Range (X)

Range (X) + A

Zero

A

Why is it necessary to square the difference from the mean when computing the standard deviation.

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So that the extreme values will not affect the calculation

Some of the differnece will be positive and some will e negative

It can change drastically from one data set to the next

It is determined by only two points in the data set

Its value cannot be exactly examined.

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Ranodm variable

Fixed varaible

Mathematical variable

Variable

In a fixed base method which period is taken always 100

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Preceding

Following

Base

Current

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