Measure of Center

Front

What is a Random Sample?

Back

A sample in which each individual or object in the entire population has an equal chance of being selected.

Front

What is the mode?

Back

The number occurring the most in a data set.

Front

How is the mean calculated?

Back

By adding all of the numbers and then dividing by the number of items.

Front

How do you find the range of a data set?

Back

By finding the biggest number and subtracting the smallest number.

Front

What is a Sample?

Back

A part of a group being surveyed.

Front

What is the Median?

Back

The middle number in a sorted data set.

Front

What is the difference between Mean and Median?

Back

Mean is the average of all numbers, while Median is the middle value when numbers are arranged in order.

Front

What does it mean if a data set has no mode?

Back

It means that no number appears more than once in the data set.

Front

What is a Population in statistics?

Back

The entire group of individuals or objects that you want to draw conclusions about.

Front

What is a Quartile?

Back

A value that divides a data set into four equal parts.