Statistics

Question 1

What is statistics?

Answer 1

It is a study that involves the analysis and interpretation of facts.

Question 2

What are the importance of statistics?

Answer 2

1. It helps present facts in the proper form.
2. To simplify complex data.
3. To classify data.
4. Helps create policies in different fields.

Question 3

What is Data?

Answer 3

Data are known facts of figures which can be used to draw conclusions.

Question 4

What is population?

Answer 4

This is the total number of individual organisms under study in a statistical method.

Question 5

What are the types of population?

Answer 5

1. Finite (e.g. number of produced nails)
2. Infinite (e.g. population of all possible outcomes in successive coin tosses)

Question 6

What is a sample?

Answer 6

A sample is a subset of a given population under study.

Question 7

What is a variable?

Answer 7

A variable is any measurable quantity that can assume a range of numerical values.