Understanding Box Plots

What is the primary purpose of a box plot?

• To calculate the average of data values

• To show how data values are distributed

• To list data values in ascending order

• To display the frequency of data values

Which of the following is NOT a component of a box plot?

• Least value

• Greatest value

• Mode

• Median

What is the first step in creating a box plot?

• Identify the greatest value

• Calculate the mean

• Order the data from least to greatest

• Find the median

In the example with nine students, what is the median number of pets?

• 3

• 4

• 5

• 6

What does the left whisker in a box plot represent?

• The range of the data

• The connection between the upper quartile and the greatest value

• The connection between the least value and the lower quartile

• The connection between the median and the upper quartile

Where does the box in a box plot start and end?

• From the least value to the median

• From the least value to the greatest value

• From the lower quartile to the upper quartile

• From the median to the greatest value

How do you find the median when there is an even number of data points?

• Average the two middle numbers

• Choose the middle number

• Select the greatest number

• Select the least number

What is the upper quartile in a data set?

• The median of the entire data set

• The least value in the data set

• The greatest value in the data set

• The median of the upper half of the data

If a data set has an odd number of values, how is the median determined?

• By selecting the middle number

• By averaging the two middle numbers

• By choosing the least number

• By choosing the greatest number

What is another name for a box plot?

• Line graph

• Histogram

• Pie chart

• Box and whisker plot