Question

Va rog dau coroana urgent

Answer 1

$t_m = (t_1 + t_2 + t_3 + t_4 + t_5)/5 = (1.8+2+1.8+3+2.2)/5 = 2.16 \\\\e_1 = t_1 -t_m = 1.8 - 2.16 =-0.36\\e_2 = t_2 - t_m = 2- 2.16 = -0.16\\e_3 = t_3 - t_m = 1.8 - 2.16 =-0.36\\e_4 = t_4 - t_m = 3 - 2.16 = 0.84\\e_5 = t_5 - t_m = 2.2 - 2.16 = 0.04$

Ultimul elev a cronometrat cel mai bine.