Question: The following table lists the U S sales in millions

The following table lists the U.S. sales (in $ millions) of prescription drugs used to treat seizure disorders.
Drug ........ Sales in 2006
Topamax ...... $1,825.4
Lamictal ....... 1,684.3
Depakote ...... 770.4
Lyrica ........ 727.8
Keppra ....... 710.5

a. Construct a relative frequency distribution.
b. For what percentage of sales did Lamictal account?
c. Use Excel to construct a pie chart.


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  • CreatedJanuary 28, 2015
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