The following is a list of seven movies and their
The following is a list of seven movies and their ratings:
1. March of the Penguins………………………… G
2. National Treasure: Book of Secrets…………… PG
3. Mamma Mia………………………………… PG-13
4. Sex and the City………………………… R
5. There Will Be Blood………………………… R
6. The 40-Year-Old Virgin………………………… R
7. Showgirls………………………… NC-17
a. Find the modal film rating.
b. Find the median film rating.
c. Explain why it is inappropriate to calculate a mean film rating
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