Statistics Practice

What is 'Population' in a survey?

• All the inhabitants of a particular town, area, or country.

• Being popular

• Consists of all subjects that are being studied or surveyed

What is a Statistic?

• A fancy word for probability

• Data gathered from a sample group

• Surveys, fun questions and percentages.

What is Categorical Data?

• Data that represents a amount or measurable data

• Word based responses that you put into categories

• Categories on Jeopardy

• A Star Trek: The Next Generation character

What is Quantitative Data?

• Highly qualified information

• Word based answers that fit into categories

• Data that represents measurable data in numbers

What is undercoverage Bias?

• Fake News

• Nahom gathering secret intelligence for a survey

• Excluding one or more groups from a sample group

• Leading a person to give a specific answer

What is a parameter?

• Data gathered from a sample group

• personal boundaries

• Area around a shape

• Data we want to gather from a population

Which two are examples of continuous data?

• Discrete Data

• Mrs. McGraths height

• Temperature

• Travel time on a road trip

What is a Sample?

• A group selected from a population

• A small piece of information

• Examples

What would be the population in this example?
Surveyors in a mall choose shoppers to ask about products they prefer.

• the surveyors
• all shoppers in the mall
• the shoppers who were asked their preferences

Mr. Corbin wants to form a basketball club. He decides to survey PB students by asking if they'd be interested (yes or no). He decides to ask every 2nd student that walks into the office.

Select all true statements

• Mr. Corbins survey is quantitative

• Mr. Corbins survey is Categorical

• The sample is every 2nd student that walks into the office.

• All of the above