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 values.

Front

What does the Interquartile Range (IQR) represent?

Back

The Interquartile Range (IQR) represents the range of the middle 50% of a data set, calculated as Q3 - Q1.

Front

How do you find the range of a data set?

Back

The range of a data set is found by subtracting the smallest value from the largest value.

Front

What does the lower quartile (Q1) indicate in a Box and Whisker Plot?

Back

The lower quartile (Q1) indicates the value below which 25% of the data falls.

Front

What does the upper quartile (Q3) indicate in a Box and Whisker Plot?

Back

The upper quartile (Q3) indicates the value below which 75% of the data falls.

Front

What is the median in a Box and Whisker Plot?

Back

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

Front

How can you tell if data is spread out in a Box and Whisker Plot?

Back

Data is considered spread out if the distance between Q1 and Q3 (the IQR) is large, indicating more variability.

Front

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

Back

The whiskers extend from the quartiles to the minimum and maximum values, showing the range of the data.

Front

If the IQR is small, what does that indicate about the data?

Back

A small IQR indicates that the middle 50% of the data points are close together, suggesting less variability.

Front

What is the formula to calculate the IQR?

Back

IQR = Q3 - Q1.