Sampling Distributions , Confidence Interval, Hypotheses Testing

Accounting rates on stocks and market returns for 54 companies Company Market Rate Accounting Rate McDonnell Douglas 17.73 17.96 NCR 4.54 8.11 Honeywell 3.96 12.46 TRW 8.12 14.70 Raytheon 6.78 11.90 W.R. Grave 9.69 9.67 Ford Motors 12.37 13.35 Textron 15.88 16.11 Lockheed Aircraft -1.34 6.70 Getty Oil 18.09 9.41 Altantic Richfield 17.17 8.96 Radio Corporation of America 6.78 14.17 Westinghouse Electric 4.74 9.12 Johnson & Johnson 23.02 14.23 Champion International 7.68 10.43 R.J. Reynolds 14.32 19.74 General Dynamics -1.63 6.42 Colgate-Palmolive 16.51 12.16 Coca-Cola 17.53 23.19 International Business Machines 12.69 19.20 Allied Chemical 4.66 10.76 Uniroyal 3.67 8.49 Greyhound 10.49 17.70 Cities Service 10.00 9.10 Phillip Morris 21.90 17.47 General Motors 5.86 18.45 Philips Petroleum 10.81 10.06 FMC 5.71 13.30 Caterpillar Tractor 13.38 17.66 Georgia Pacific 13.43 14.59 Minnesota Mining & Manufacturing 10.00 20.94 Standard Oil (Ohio) 16.66 9.62 American Brands 9.40 16.32 Aluminum Company of America 0.24 8.19 General Electric 4.37 15.74 General Tire 3.11 12.02 Borden 6.63 11.44 American Home Products 14.73 32.58 Standard Oil ( Califonia) 6.15 11.89 International Paper 5.96 10.06 National steel 6.30 9.60 Republic Paper 0.68 7.41 Warner Lambert 12.22 19.88 US Steel 0.90 6.97 Bethiehem Steel 2.35 7.90 Armco Steel 5.03 9.34 Texaco 6.13 15.40 Shell Oil 6.58 11.95 Standard Oil (Indiana) 14.26 9.56 Owens Illinois 2.60 10.05 Gulf Oil 4.97 12.11 Tenneco 6.65 11.53 Inland Steel 4.25 9.92 Kraft 7.30 12.27