FoA Data- Box & Whisker Plots

Front

What is a Box Plot?

Back

A Box Plot, or Box-and-Whisker Plot, is a graphical representation of a data set that shows its minimum, first quartile (Q1), median, third quartile (Q3), and maximum.

Front

What does Q1 represent in a Box Plot?

Back

Q1, or the lower quartile, represents the value below which 25% of the data falls.

Front

What is the median in a data set?

Back

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

Front

How do you calculate the range of a data set?

Back

The range is calculated by subtracting the smallest value from the largest value in the data set.

Front

What is the term for the value that appears most frequently in a data set?

Back

Mode.

Front

What does Q3 represent in a Box Plot?

Back

Q3, or the upper quartile, represents the value below which 75% of the data falls.

Front

What is the purpose of a Box Plot?

Back

A Box Plot is used to visually summarize the distribution of a data set and identify outliers.

Front

How do you find the median of an even set of numbers?

Back

To find the median of an even set, average the two middle numbers after sorting the data.

Front

What is an outlier in a data set?

Back

An outlier is a value that is significantly higher or lower than the other values in the data set.

Front

What is the formula for calculating the interquartile range (IQR)?

Back

IQR = Q3 - Q1.