Microsoft Excel Application   2D 3D Mean 5.000 13.417 Variance 6.000 146.992 Observations 12.000 12.000 Hypothesized Mean Difference 0.000   df 12.000   t Stat (2.357)   P(T<=t) one-tail 0.018   t Critical one-tail 1.782   P(T<=t) two-tail 0.036   t Critical two-tail 2.179
CD Player Application   2D 3D Mean 5.167 5.917 Variance 11.606 4.265 Observations 12.000 12.000 Hypothesized Mean Difference 0.000   df 18.000   t Stat (0.652)   P(T<=t) one-tail 0.261   t Critical one-tail 1.734   P(T<=t) two-tail 0.523   t Critical two-tail 2.101
Solitaire Game   2D 3D Mean 5.750 7.750 Variance 5.841 14.932 Observations 12.000 12.000 Hypothesized Mean Difference 0.000   df 18.000   t Stat (1.520)   P(T<=t) one-tail 0.073   t Critical one-tail 1.734   P(T<=t) two-tail 0.146   t Critical two-tail 2.101
NBA Scores in Past 24 Hours   2D 3D Mean 56.833 63.917 Variance 1206.333 1585.902 Observations 12.000 12.000 Hypothesized Mean Difference 0.000   df 22.000   t Stat (0.464)   P(T<=t) one-tail 0.323   t Critical one-tail 1.717   P(T<=t) two-tail 0.647   t Critical two-tail 2.074
Calculator Application   2D 3D Mean 13.583 7.667 Variance 86.629 44.061 Observations 12.000 12.000 Hypothesized Mean Difference 0.000   df 20.000   t Stat 1.793   P(T<=t) one-tail 0.044   t Critical one-tail 1.725   P(T<=t) two-tail 0.088   t Critical two-tail 2.086
ICQ Communication Tool   2D 3D Mean 30.250 33.500 Variance 728.205 764.273 Observations 12.000 12.000 Hypothesized Mean Difference 0.000   df 22.000   t Stat (0.291)   P(T<=t) one-tail 0.387   t Critical one-tail 1.717   P(T<=t) two-tail 0.773   t Critical two-tail 2.074
MineSweeper Game   2D 3D Mean 6.083 19.417 Variance 11.538 130.265 Observations 12.000 12.000 Hypothesized Mean Difference 0.000   df 13.000   t Stat (3.879)   P(T<=t) one-tail 0.001   t Critical one-tail 1.771   P(T<=t) two-tail 0.002   t Critical two-tail 2.160
Amazon Book Seller   2D 3D Mean 8.917 29.083 Variance 14.811 687.174 Observations 12.000 12.000 Hypothesized Mean Difference 0.000   df 11.000   t Stat (2.637)   P(T<=t) one-tail 0.012   t Critical one-tail 1.796   P(T<=t) two-tail 0.023   t Critical two-tail 2.201
WinZip Compression Tool   2D 3D Mean 58.250 43.500 Variance 7332.750 532.273 Observations 12.000 12.000 Hypothesized Mean Difference 0.000   df 13.000   t Stat 0.576   P(T<=t) one-tail 0.287   t Critical one-tail 1.771   P(T<=t) two-tail 0.574   t Critical two-tail 2.160
Display Properties Control Tool   2D 3D Mean 76.917 102.250 Variance 3259.356 5897.114 Observations 12.000 12.000 Hypothesized Mean Difference 0.000   df 20.000   t Stat (0.917)   P(T<=t) one-tail 0.185   t Critical one-tail 1.725   P(T<=t) two-tail 0.370   t Critical two-tail 2.086
Dow Jones Industrial Index (DJIA)   2D 3D Mean 40.833 90.583 Variance 331.424 1827.174 Observations 12.000 12.000 Hypothesized Mean Difference 0.000   df 15.000   t Stat (3.709)   P(T<=t) one-tail 0.001   t Critical one-tail 1.753   P(T<=t) two-tail 0.002   t Critical two-tail 2.131
Recent Documents   2D 3D Mean 3.417 32.167 Variance 15.902 2658.515 Observations 12.000 12.000 Hypothesized Mean Difference 0.000   df 11.000   t Stat (1.926)   P(T<=t) one-tail 0.040   t Critical one-tail 1.796   P(T<=t) two-tail 0.080   t Critical two-tail 2.201

Last Updated on May 10, 2001