ALG Box and Whisker Plots

Front

What is a Box and Whisker Plot?

Back

A Box and Whisker Plot is a graphical representation of a dataset that displays its minimum, first quartile (Q1), median, third quartile (Q3), and maximum.

Front

What does IQR stand for?

Back

IQR stands for Interquartile Range, which is the difference between the upper quartile (Q3) and lower quartile (Q1) of a dataset.

Front

How do you calculate the IQR?

Back

IQR = Q3 - Q1.

Front

What does the median represent in a dataset?

Back

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

Front

What is the purpose of a Box and Whisker Plot?

Back

The purpose of a Box and Whisker Plot is to summarize a dataset and show its distribution, including its central tendency and variability.

Front

What does the lower quartile (Q1) represent?

Back

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

Front

What does the upper quartile (Q3) represent?

Back

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

Front

What is the range of a dataset?

Back

The range is the difference between the maximum and minimum values in a dataset.

Front

What percentage of data falls within the IQR?

Back

50% of the data falls within the IQR.

Front

If the IQR is 30, what does that indicate?

Back

It indicates that the middle 50% of the data values are spread over a range of 30 units.