hours. For Servers The variancecan be calculated in Excel using the following formula: =VAR.P(823, 837, 858, 791, 812, 814, 832, 862, 833, 826) = ____ The standard deviationcan be calculated in Excel with the following formula: =STDEV(823, 837, 858, 791, 812, 814, 832, 862, 833, 826) = ____ For Cooks, The variancecan be calculated in Excel using the following formula: =VAR.P(752, 764, 754, 774, 771, 745, 736, 816, 792, 793) = ____