Box and Whisker Plot

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, lower quartile, median, upper quartile, and maximum.

Front

What does the lower quartile represent in a Box and Whisker Plot?

Back

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

Front

How do you find the median in a data set?

Back

To find the median, arrange the data in ascending order and locate the middle value. If there is an even number of values, average the two middle values.

Front

What is the maximum value in a data set?

Back

The maximum value is the largest number in the data set.

Front

What is the term for the median of the upper half of the data?

Back

Upper Quartile (Q3) is the median of the upper half of the data set, representing the 75th percentile.

Front

What does the term 'interquartile range' (IQR) mean?

Back

The interquartile range (IQR) is the difference between the upper quartile (Q3) and the lower quartile (Q1), indicating the spread of the middle 50% of the data.

Front

How do you identify outliers in a Box and Whisker Plot?

Back

Outliers are identified as values that fall below Q1 - 1.5 * IQR or above Q3 + 1.5 * IQR.

Front

What is the median of the following data set: 3, 8, 10, 15?

Back

The median is 10.

Front

What is the lower quartile of the following data set: 58, 60, 64, 66?

Back

The lower quartile is 60.

Front

What is the maximum value of the following data set: 3, 8, 10, 18?

Back

The maximum value is 18.