This data is from a sample. Calculate the mean, standard deviation, and variance. Suggestion: use technology. Round answers to two decimal places.

x
33.7
11.2
29
42
11.5
28
23.8
31.5
38.2


Mean =

Standard Deviation =

Variance =

Ooops - now you discover that the data was actually from a population! So now you must give the population standard deviation.

Population Standard Deviation =