Box Plot Analysis

Look at the box plot below. What is the median value? 

• 10

• 15

• 20

• 25

Which of the following statements is true about the range of the data in the box plot? 

• The range is 10

• The range is 20

• The range is 30

• The range is 40

In the box plot below, what does the length of the box represent? 

• The range of the data

• The interquartile range (IQR)

• The median of the data

• The mode of the data

Compare the two box plots below. Which group has a higher median? 

• Group A

• Group B

• Both have the same median

• Cannot be determined

From the box plot below, identify the first quartile (Q1). 

• 10

• 15

• 20

• 25

What can you conclude if a box plot has a long whisker on the right side?

• The data is skewed to the left

• The data is skewed to the right

• The data is symmetric

• The data has no outliers

If the mean of a dataset is significantly higher than the median, what can you infer about the data?

• The data is skewed to the left

• The data is skewed to the right

• The data is symmetric

• The data has no outliers

In the box plot below, what is the value of the third quartile (Q3)? 

• 20

• 25

• 30

• 35

Which of the following is NOT a measure of central tendency?

• Mean

• Median

• Mode

• Range

If a box plot has an outlier, how does it affect the mean?

• The mean is not affected

• The mean is lower than the median

• The mean is higher than the median

• The mean is equal to the median