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, median, third quartile, and maximum.

Front

What does the 'mode' represent in a data set?

Back

The mode is the value that appears most frequently in a data set.

Front

How do you find the median of a data set?

Back

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

Front

What are quartiles in a Box and Whisker Plot?

Back

Quartiles divide a data set into four equal parts. The first quartile (Q1) is the median of the lower half, the second quartile (Q2) is the median, and the third quartile (Q3) is the median of the upper half.

Front

What is the range of a data set?

Back

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

Front

How do you determine the least and greatest values in a data set?

Back

The least value is the smallest number, and the greatest value is the largest number in the data set.

Front

What does it mean if a data set has no mode?

Back

A data set has no mode if no number appears more than once.

Front

How do you calculate the percentage of data within a certain range?

Back

To calculate the percentage, divide the number of values within the range by the total number of values, then multiply by 100.

Front

What is the significance of the median in a data set?

Back

The median provides a measure of central tendency that is not affected by extreme values.

Front

What does a Box and Whisker Plot show about data distribution?

Back

It shows the spread and skewness of the data, highlighting the central tendency and variability.