Box and Whisker Plots

Front

What is a Box and Whisker Plot?

Back

A 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 the median represent 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 find the interquartile range (IQR)?

Back

The interquartile range (IQR) is found by subtracting the first quartile (Q1) from the third quartile (Q3).

Front

What is the lower quartile (Q1)?

Back

The lower quartile (Q1) is the median of the lower half of a data set, representing the 25th percentile.

Front

What is the upper quartile (Q3)?

Back

The upper quartile (Q3) is the median of the upper half of a data set, representing the 75th percentile.

Front

What does a Box and Whisker Plot show about data spread?

Back

A Box and Whisker Plot shows how spread out the data is by displaying the range and quartiles.

Front

What does a longer whisker indicate in a Box and Whisker Plot?

Back

A longer whisker indicates a greater spread of data points in that direction.

Front

How do you determine the maximum value in a Box and Whisker Plot?

Back

The maximum value is the highest data point in the set, represented by the rightmost whisker.

Front

What does it mean if the median is closer to Q1 than Q3?

Back

If the median is closer to Q1, it indicates that the data is skewed towards the lower values.

Front

What is the significance of the Box in a Box and Whisker Plot?

Back

The Box represents the interquartile range (IQR), showing the middle 50% of the data.