3. Please show your work to find the mean and standard deviation of the data. Round to the nearest tenth.
20, 16, 18, 14, 9, 20, 16

Respuesta :

The standard deviation of the numbers 14 22 6 9 11 23 15 18 20 12 is 5.67646 the mean is 15 and the standard deviation variance is 32.222.