Question: A wine store carries 86 types of wine produced in 2007, 125 types from 2008, 73 from 2009, and 22 from 2010. Identify the types of wine as the elementary units for analysis.
a. Find the mode of the year of production. What does this tell you?
b. Find the average year of production and compare it to the mode.
c. Draw a histogram of year of production.
d. If the average selling price is $17.99 for 2007 wine, $17.74 for 2008, $18.57 for 2009, and $16.99 for 2010, finds the average selling price for all of these types of wine together.