The accompanying table shows a portion of median house values for the 50 states as reported by the U.S. Census Bureau in 2010. The entire data set, labeled Census, can be found on the text website.

State ..... House Value

Alabama ....$117,600

Alaska ......... 229,100

    :                       :

Wyoming ... 174,000

a. Construct a frequency distribution and histogram for the median house values. Use six classes with upper limits of $100,000, $200,000, etc.

b. Is the distribution symmetric? If not, is it positively or negatively skewed?

c. Which class interval had the highest frequency?

d. What percentage of the states had median house values between $300,000 and $400,000?

e. How many of the states had median house values less than $300,000?