For the data in the following sample: 1, 1, 9, 1 a. Find the SS, variance, and standard deviation. b. Now change the score of X 5 9 to X 5 3, and find the new values for SS, variance, and standard...

For the data in the following sample: 1, 1, 9, 1

a. Find the SS, variance, and standard deviation.

b. Now change the score of X 5 9 to X 5 3, and find the new values for SS, variance, and standard deviation.

c. Describe how one extreme score influences the mean and standard deviation.