The Super Bowl, watched by close to 200 million Americans, is also a big event for advertisers. The file Super Bowl Ads Ratings contains the rating of ads that ran between the opening kickoff and the final whistle.
For ads that ran before halftime and ads that ran at halftime or after separately:
a. Construct an ordered array.
b. Construct a stem-and-leaf display.
c. Plot a percentage histogram.
d. Plot a percentage polygon for both groups on one chart.
e. Plot a cumulative percentage polygon for both groups on one chart.
f. What conclusions can you reach about the difference in ad ratings for ads that ran before halftime compared to ads that ran at halftime or after?