Discussion:
Q: Listed below is the average daily circulation for the 50 U. S. newspapers with the largest circulation.
a. Find the mean, median, Q1, and Q3.
b. Find the 15th and the 90th percentiles.
c. Find the coefficient of skewness and interpret the result.
d. Develop a box plot and interpret the result.
Newspaper Circulation:
Wall Street Journal (New York, N.Y.) 1,740,450
USA Today (Arlington, Va.) 1,653,428
Times (Los Angeles) 1,067,540
Times (New York, N.Y.) 1,066,658
Post (Washington, D.C.) 759,122
Daily News (New York, N.Y.) 723,143
Tribune (Chicago) 673,508
Newsday (Long Island, N.Y.) 572,444
Chronicle (Houston) 550,763
Sun-Times (Chicago) 485,666
Morning News (Dallas) 479,863
Chronicle (San Francisco) 475,324
Globe (Boston) 470,825
Post (New York, N.Y.) 437,467
Arizona Republic (Phoenix) 435,330
Inquirer (Philadelphia) 428,895
Star-Ledger (Newark, N.J.) 407,026
Plain Dealer (Cleveland) 382,933
Free Press (Detroit) 378,256
Union-Tribune (San Diego) 378,112
Register (Orange County, Calif.) 356,953
Herald (Miami) 349,114
Oregonian (Portland) 346,593
Times (St. Petersburg, Fla.) 344,784
Post (Denver) 341,554
Star Tribune (Minneapolis) 334,751
Rocky Mountain News (Denver) 331,978
Post-Dispatch (St. Louis) 329,582
Sun (Baltimore) 314,033
Constitution (Atlanta) 303,698
Mercury News (San Jose, Calif.) 290,885
Journal Sentinel (Milwaukee) 285,776
Bee (Sacramento, Calif.) 283,589
Star (Kansas City, Mo.) 281,596
Herald (Boston) 271,425
Times-Picayune (New Orleans) 259,317
Sun-Sentinel (Fort Lauderdale, Fla.) 258,726
Sentinel (Orlando, Fla.) 258,726
Investor's Business Daily (Los Angeles) 251,172
Dispatch (Columbus, Ohio) 246,528
News (Detroit) 245,351
Observer (Charlotte, N.C.) 243,818
Post-Gazette (Pittsburgh, Pa.) 243,453
News (Buffalo, N.Y.) 237,229
Tribune (Tampa, Fla.) 235,786
Star-Telegram (Fort Worth, Tex.) 232,112
Star (Indianapolis) 230,223
Courier-Journal (Louisville, Ky.) 228,144
Times (Seattle) 227,715
World-Herald (Omaha, Neb.) 219,891