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    Boxplot and Five Point Summary of Newspaper Circulation Data

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    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

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    Solution Summary

    The solution gives mean, median, box-plot, five point summary, percentile and quartiles for newspaper circulation data, as a report in Word with the calculations in an attached Excel spreadsheet.