0000:00:00:00:00Start4Number 4Explanationx0x_0x0 is the average of data x1,x2,...,x10x_1, x_2, ..., x_{10}x1,x2,...,x10. If the data changes following the pattern x12+3,x22+5,x32+7\frac{x_1}{2} + 3, \frac{x_2}{2} + 5, \frac{x_3}{2} + 72x1+3,2x2+5,2x3+7, and so on, then the average value becomes...x0+11x_0 + 11x0+11x0+12x_0 + 12x0+1212x0+11\frac{1}{2}x_0 + 1121x0+1112x0+12\frac{1}{2}x_0 + 1221x0+1212x0+21\frac{1}{2}x_0 + 2121x0+21
4Number 4Explanationx0x_0x0 is the average of data x1,x2,...,x10x_1, x_2, ..., x_{10}x1,x2,...,x10. If the data changes following the pattern x12+3,x22+5,x32+7\frac{x_1}{2} + 3, \frac{x_2}{2} + 5, \frac{x_3}{2} + 72x1+3,2x2+5,2x3+7, and so on, then the average value becomes...x0+11x_0 + 11x0+11x0+12x_0 + 12x0+1212x0+11\frac{1}{2}x_0 + 1121x0+1112x0+12\frac{1}{2}x_0 + 1221x0+1212x0+21\frac{1}{2}x_0 + 2121x0+21
