# What was the mean number of U.S. states in which all of the beer brands were sol

**Question description**

- What was the mean number of U.S. states in which all of the beer brands were sold in in 2008?
- What was the mean number of U.S. states in which all of the beer brands were sold in in 2012?
- Was there a significant difference in the number of states in which these beer brands were sold in 2008 versus 2012? Report the results of the
*t*-test as follows:*t*(df value) = ___, and*p*-value.

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