1. As of 2002, the top ten movies in terms of gross earnings were as follows (figures rounded to the nearest million dollars).

Rank Movie Gross ($000 000)

1 Titanic 1836

2 Harry Potter and the Sorcerer's Stone 962

3 Star Wars: The Phantom Menace 924

4 Jurassic Park 921

5 The Lord of the Rings: The Fellowship of the Ring 836

6 Independence Day 813

7 Star Wars 798

8 The Lion King 767

9 E.T. the Extra-Terrestrial 757

10 Forrest Gump 680

a) Find the median, first quartile, and third quartile for these gross earnings.

b) Calculate the range and interquartile range.

c) Calculate the mean, standard deviation, and variance.