Skew and Distribution

What is the box plot?

• skewed left

• skewed right

• symmetrical

the mean is less than the median

• skewed left

• skewed right

• symmetrical

The ages of nine employees at a company are shown below.
45, 50, 52, 58, 63, 63, 41, 58, 49
The company hires a tenth employee who is 28 years old. What effect does the new employee have on the shape of the data distribution?

• The new employee causes the distribution to become skewed to the right.

• The new employee causes the distribution to be skewed to the left.

• The new employee causes the distribution to become more symmetrical.

• The new employee causes the distribution to become less spread out.

Which dot plot has the greatest variability?

• A

• B

• C

• D

Which value(s) are outlier(s) for the age of male Oscar winners?

• 80

• 76

• 60

• 29

What is the interquartile range?

• 4

• 6

• 2

• 8

Which is a true statement based on the box plots above

• The data for Team B have the greater range.

• The data for Team A are more symmetric.

• The data for Team B have the greater interquartile range.

• The data for Team A have the greater median.

Use the following box and whisker plot to identify what percent of scores are below 82?

Using the box and whisker plot, describe the shape of the distribution of test scores.

Using the box and whisker, what percent of scores fall between 82 and 93?