1)The masses (in kilograms) of a sample of five boxes being sent by United Parcel Service (UPS) are: 12, 6, 7, 3, and 10. Round to nearest 100^th(10 points)

a)Obtain the range.

b)Get the mean deviation.

c)Find the standard deviation.

d)Using Chebyshev's theorem, at least what percentage of the observations must be within 2.5 standard deviations of the mean?

e)Using the Empirical Rule, about 68 percent of the values would occur between what values?