Question

data set #1: 27   36   49   -12   89   124   256

data set #2: 1011   987   1245   1366   1926   1825   999

data set #3: -12.45   11.05   12.11   13.89   10.22   7.65   4.62   3.81

What is the mean for data set #1, data set #2, and data set #3? The σ_n-1 for data set #1, data set #2, and data set #3 is?  The range for data set #1, set #2, and set #3 is?

Answer 1

Solution:

Mean for data set # 1 is:

Mean for data set # 2 is:

Mean for data set # 3 is:

The standard deviation for data set #1 is:

The standard deviation for data set #2 is:

The standard deviation for data set #3 is:

The range for data set #1 is:

The range for data set #2 is:

The range for data set #3 is: