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 Q1 (first quartile) represent in a data set?

Back

Q1 is the value below which 25% of the data falls. It is the first quartile in a Box-and-Whisker Plot.

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. It divides the data into two equal halves.

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). It measures the spread of the middle 50% of the data.

Front

How do you find the minimum value in a Box-and-Whisker Plot?

Back

The minimum value is the smallest number in the data set, represented by the leftmost point on the plot.

Front

What does the maximum value represent in a Box-and-Whisker Plot?

Back

The maximum value is the largest number in the data set, represented by the rightmost point on the plot.

Front

What percentage of data falls between Q1 and Q3?

Back

50% of the data falls between Q1 (first quartile) and Q3 (third quartile).

Front

How do you calculate the interquartile range (IQR)?

Back

IQR = Q3 - Q1.

Front

What does the whisker in a Box-and-Whisker Plot represent?

Back

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

Front

What is the purpose of a Box-and-Whisker Plot?

Back

The purpose is to visually summarize the distribution of a data set, highlighting its central tendency and variability.