An assembly-line machine turns out washers with the following thicknesses (in millimeters). Find the mean and standard deviation of the thicknesses. Round to 4 decimal places as needed.
1.24, 1.58, 1.69, 1.73, 1.28, 1.67, 1.77, 2.08, 2.06, 1.71, 1.94, 1.83, 1.55, 2.08, 2.05, 1.88

Question

An​ assembly-line machine turns out washers with the following thicknesses​ (in millimeters). Find the mean and standard deviation of the thicknesses. Round to 4 decimal places as needed.
1.24, 1.58, 1.69, 1.73, 1.28, 1.67, 1.77, 2.08, 2.06, 1.71, 1.94, 1.83, 1.55, 2.08, 2.05, 1.88

mathmale · Answer

How have you found the mean of a data set in the past?
How have you found the standard deviation of a data set in the past?
You will be asked repeatedly to do this kind of assignment.  Looking up and knowing exactly what to do would save you considerable time and effort in the future.

The mean of a set of data is found by ...   (finish this sentence, please).