为给定的100个数字计算平均值和方差。
[67, 89, 55, 34, 76, 99, 100, 23, 57, 88, 42, 67, 78, 91, 32, 55, 64, 86, 95, 77, 78, 81, 64, 73, 42, 51, 62, 49, 83, 77, 28, 94, 47, 89, 70, 68, 52, 60, 58, 45, 55, 92, 76, 87, 68, 54, 78, 83, 89, 56, 87, 88, 96, 64, 59, 95, 80, 96, 30, 50, 89, 67, 33, 72, 23, 80, 29, 50, 48, 76, 58, 60, 96, 56, 73, 85, 29, 55, 90, 72, 99, 41, 73, 97, 92, 77, 53, 78, 84, 92, 25, 72, 86, 30, 41, 60, 72, 68, 77, 54, 95, 87, 35, 41, 90, 70, 89, 38, 23]
平均值为64.69，方差为747.71。