TOPIC 8- Display, Describe, and Summarize Data

Front

What is the range?

Back

The range is the difference between the biggest and smallest numbers in a data set.

Front

Find the range of the following numbers: 12, 5, 9, 18, 22, 25, 5.

Back

The range is 20.

Front

What is the mode?

Back

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

Front

In order to find the median, the data must be sorted from least to greatest first. True or False?

Back

True.

Front

Find the Mean Absolute Deviation of the following numbers: 10, 9, 3, 8, 10. The Mean is 8.

Back

The Mean Absolute Deviation is 2.

Front

What is the median?

Back

The median is the middle number in a sorted data set.

Front

How do you calculate the mean?

Back

Add all the numbers in a data set and divide by the total count of numbers.

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 bar graph used for?

Back

A bar graph is used to display and compare the frequency of different categories.

Front

What is a line graph used for?

Back

A line graph is used to show trends over time.