What is the mean of this set of numbers?
0.810.81
0.88
0.82
0.90
0.90
0.84
0.84
0.91
0.94
0.86
0.86
0.86
0.88
0.87
0.89
0.91
0.86
0.87
0.93
0.88
0.83
0.950.95
0.87
0.93
0.91
0.85
0.91
0.91
0.86
0.89
0.87
0.840.84
0.88
0.88
0.89
0.790.79
0.82
0.83
0.90
0.88
0.84
0.93
0.81
0.90
0.88
0.92
0.85
0.84
0.84
0.86