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speed for the 2012 Australian Open is provided below. Player S. Williams S. Lisicki M. Keys L Hradecka J. Gajdosova J. Hampton B. Mattek-Sands

speed for the 2012 Australian Open is provided below. Player S. Williams S. Lisicki M. Keys L Hradecka J. Gajdosova J. Hampton B. Mattek-Sands F. Schiavone P. Ormaechea P. Parmentier N. Petrova Serve Speed (km/h) 192 192 192 190 190 188 188 187 185 184 184 183 183 182 182 177 175 G. Am V. Azarenka A. Ivanovic P. Kvitova M. Krajicek V. Dushevina S. Stosur 175 S. Cirstea 175 M. Barthel 174 a. Compute the mean, variance, and standard deviation for the serve speeds (to 2 decimals).

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