The accompanying cumulative relative frequency distribution shows a summary of the scores from an Algebra II exam at a local high school. Twenty students took the exam. 
a. Construct the relative frequency distribution. What proportion of students scored between 81 and 90?
B) Construct the frequency distribution. How many students scored between 71 and 80?
C) Construct an ogive. What is the approximate percentage of students that scored less than 85?
Definitions:
Coomer v. Kansas City Royals Baseball Corp.
A legal case that addressed the issue of spectator injuries at sporting events and the scope of liability for professional sports teams.
Hotdog Toss
A promotional or entertainment activity commonly seen at sports events where hotdogs are thrown or launched into the audience.
Reasonable Care
The level of care that an ordinary, prudent person would use in similar circumstances to avoid causing harm to others.
Price v. High Pointe Oil Company, Inc.
A legal case that may address issues related to negligence, contract, or other legal matters in the context of a dispute between a customer and an oil company.
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