The height (in feet) of a sample of trees in the school playground: 12.5, 9.8, 13.5, 11.2, 12.3, 14.2, 11.7, 9.8, 12.6, 10.4 What is the mean and standard deviation?

Respuesta :

mean = 11.8 ft;
standard deviation = 1.43 ft
mean = 11.8 ft; 
standard deviation = 1.43 ft