Understanding Data Displays Flashcard

Front

What is a dot plot used for?

Back

To display the frequency of data along a number line.

Front

Which box and whisker plot has the smallest lower quartile (Q1)?

Back

Bottom plot.

Front

What is the purpose of a box plot?

Back

To show the distribution of a data set.

Front

If Raul measured another tree in the orchard, which is most likely the height of the tree?

Back

12 feet.

Front

What percent does each of the 4 sections contain on a box and whisker plot?

Back

25%.

Front

What is a box and whisker plot?

Back

A graphical representation that shows the distribution of a data set based on five summary statistics: minimum, first quartile (Q1), median, third quartile (Q3), and maximum.

Front

What does the median represent in a data set?

Back

The middle value when the data is arranged in ascending order.

Front

What are quartiles in a data set?

Back

Values that divide the data into four equal parts.

Front

What is the range of a data set?

Back

The difference between the maximum and minimum values.

Front

How do you calculate the mean of a data set?

Back

Add all the values together and divide by the number of values.