Box Plots

Front

What is a box plot?

Back

A box plot, also known as a whisker plot, is a graphical representation of a dataset that displays its minimum, first quartile, median, third quartile, and maximum.

Front

What does the minimum value represent in a box plot?

Back

The minimum value in a box plot represents the smallest data point in the dataset.

Front

What is the first quartile (Q1) in a box plot?

Back

The first quartile (Q1) is the value that separates the lowest 25% of the data from the rest, effectively marking the 25th percentile.

Front

How is the median defined in a box plot?

Back

The median is the middle value of the dataset when it is ordered from least to greatest, representing the 50th percentile.

Front

What does the third quartile (Q3) indicate in a box plot?

Back

The third quartile (Q3) indicates the value that separates the highest 25% of the data from the rest, marking the 75th percentile.

Front

What is the interquartile range (IQR)?

Back

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

Front

What do the whiskers in a box plot represent?

Back

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

Front

How can you identify outliers in a box plot?

Back

Outliers in a box plot are typically represented as individual points that fall outside the range defined by 1.5 times the IQR above Q3 and below Q1.

Front

What does a higher median indicate in a box plot comparison?

Back

A higher median indicates that the central tendency of the data is greater, suggesting that the majority of the data points are higher in value.

Front

How do you interpret the spread of data in a box plot?

Back

The spread of data in a box plot can be interpreted through the length of the box and whiskers; a longer box indicates greater variability in the middle 50% of the data.