Below is a stem-and-leaf display of prices for a sample of homes recently sold in a metropolitan area in Canada. Which of the following statements is true?
A) The mean would be more appropriate than the median to describe the centre of this distribution.
B) This distribution is fairly symmetric.
C) This distribution is right-skewed.
D) This distribution is left-skewed.
E) We are unable to analyze skewness of these data.

Question

Below is a stem-and-leaf display of prices for a sample of homes recently sold in a metropolitan area in Canada.  Which of the following statements is true?
A) The mean would be more appropriate than the median to describe the centre of this distribution. 
B) This distribution is fairly symmetric. 
C) This distribution is right-skewed. 
D) This distribution is left-skewed. 
E) We are unable to analyze skewness of these data.

Quizplus · Accepted Answer

The stem-and-leaf plot shows the majority of prices in the 100,000s and 200,000s, with a few outliers in the higher price range. This creates a right-skewed distribution, with a longer tail on the right side. The median would be a better measure of center than the mean, as the outliers would heavily influence the mean.

Below Is a Stem-And-Leaf Display of Prices for a Sample