The Super Bowl is a big viewing event watched by close to 200 million Americans, so it is also a big event for advertisers. The file Super Bowl Ad Ratings contains the rating of ads that ran between the opening kickoff and the fin al whistle.
For ad s that ran before halftime and ads that ran at halftime or after separately:
a. Calculate the first quartile (Q1), the third quartile (Q3), a nd the interquartile range.
b. List the five-number summary.
c. Construct a boxplot and describe its shape.