Algebra 2 Flashcard Review Sections 1.1 to 1.3

Front

What is the mean of the numbers: 5, 11, 2, 12, 4, 2?

Back

The mean is 6.

Front

What is the mode of the numbers: 12, 10, 10, 10, 13, 12, 11, 13, 10?

Back

The mode is 10.

Front

What is a sample in a study?

Back

A sample is a subset of a population used to represent the group being studied.

Front

What is a population in statistics?

Back

A population is the entire group being studied.

Front

What type of sampling method is used when asking 20 people at a grocery store about a beverage tax?

Back

This is a Convenience sampling method.

Front

How do you calculate the mean of a set of numbers?

Back

Add all the numbers together and divide by the count of numbers.

Front

What is the difference between a sample and a population?

Back

A sample is a part of the population, while the population includes all members.

Front

What is the definition of mode in statistics?

Back

The mode is the number that appears most frequently in a data set.

Front

What is a categorical variable?

Back

A categorical variable is a variable that can take on one of a limited, and usually fixed, number of possible values.

Front

What is a quantitative variable?

Back

A quantitative variable is a variable that can be measured numerically.