Data Displays Review

Front

What do points B and D represent on the box plot?

Back

First and Third Quartiles

Front

What is the interquartile range (IQR)?

Back

The interquartile range (IQR) is the difference between the first quartile (Q1) and the third quartile (Q3), representing the middle 50% of the data.

Front

How many students are represented by the histogram?

Back

31

Front

Describe the shape of the distribution.

Back

Skewed left

Front

How many vehicles get less than 17 miles per gallon?

Back

14

Front

What is a box plot?

Back

A box plot is a graphical representation of data that shows the distribution through five summary statistics: minimum, first quartile, median, third quartile, and maximum.

Front

What does the median represent in a data set?

Back

The median is the middle value when the data set is ordered from least to greatest.

Front

What is the purpose of a histogram?

Back

A histogram is used to represent the frequency distribution of numerical data, showing how many data points fall within certain ranges.

Front

What does skewed left mean in a distribution?

Back

A skewed left distribution has a longer tail on the left side, indicating that there are more lower values.

Front

What is the range of a data set?

Back

The range is the difference between the highest and lowest values in a data set.