Module 1

Question 1

What are Statistics?

Answer 1

A method designed to help us understand the world with the use of data.

Question 1

Data: Describe a Population Parameter?

Answer 1

Numerical summary that describes a characteristic of a population.

Question 2

Data: Describe a Sample Statistic?

Answer 2

Numerical summary that describes a characteristic of a sample.

Question 3

Variables: What’s a Categorical Value?

Answer 3

A characteristic that can;t be measured as a quantity.

Question 4

Variables: Describe Nominal?

Answer 4

Variable that describes something without natural order (e.x. Gender, Ethnicity, and Blood Type).

Question 5

Variables: Describe Ordinal?

Answer 5

Variable whose values defined by an ordered relation (e.x. Order of numbers).

Question 6

Variables: What’s a Numeric Variable?

Answer 6

A characteristic whose values are numbers.

Question 7

Variables: Describe Continuous?

Answer 7

Variable assumes infinite number of variables in a given interval (e.x. Height in cm).

Question 8

Variables: Describe Discrete?

Answer 8

Can only assume a finite number of values in a given interval (e.x. The number of people in a class).