## Who give the concept of standard deviation and CV?

Who give the concept of standard deviation and CV?

A. R.A Fisher
B. John Tukey
C. Karl Pearson
D. All of the above

## The term variance introduced by ___________?

The term variance introduced by ___________?

A. Ronald Fisher
B. Karl Pearson
C. John Tukey
D. None of these

## What’s the largest known Prime Number?

What’s the largest known Prime Number?

A. 282,589,933 − 3
B. 282,589,933 − 1
C. 282,589,933 − 5
D. None of these

## Which hypothesis tell us weather test is one tail or 2 tail?

Which hypothesis tell us weather test is one tail or 2 tail?

A. simple hypothesis
B. null hypothesis
C. all of the above
D. None of these

## The data obtained very first are called:___________?

The data obtained very first are called:___________?

A. Primary data
B. Secondary data
C. Raw data
D. None of these

## If any statistical tool apply on primary data it becomes a__________?

If any statistical tool apply on primary data it becomes a__________?

A. Primary data
B. Secondary data
C. Raw data
D. None of these

## Single numerical fact is called________?

Single numerical fact is called________?

A. Point
B. Data
C. Datum
D. Statistic

## The collection of numerical facts is called_________?

The collection of numerical facts is called_________?

A. Data
B. Datum
C. Statistic
D. Raw

## When there is 0 in our dataset which mean we cannot calculate?

When there is 0 in our dataset which mean we cannot calculate?

A. GM
B. HM
C. AM
D. Both A and B

## Founder of statistics is_________?

Founder of statistics is_________?

A. R A Fisher
B. Smith
C. Karl pearson
D. Neyman