Lesson 6 Comparing Box Plots

A box plot is a graphical representation of a dataset that shows its minimum, first quartile, median, third quartile, and maximum.

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

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

The third quartile (Q3) is the median of the upper half of the dataset, representing the 75th percentile.

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

The minimum value is the smallest data point in the dataset.

The maximum value is the largest data point in the dataset.

The range is calculated by subtracting the minimum value from the maximum value.

A box plot provides insights into the central tendency, variability, and skewness of the data.

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