What are the values for SS (sum of squared deviations) and variance for the following sample of n = ...

What are the values for SS (sum of squared deviations) and variance for the following sample of n = 4 scores? Sample: 1, 1, 0, 4
 
  A) SS = 9 and variance = 3
  B) SS = 9 and variance = 2.25
  C) SS = 18 and variance = 6
  D) SS = 18 and variance = 9

Question 2

In an analysis of variance, what is measured by the MS values?
 
  A) sample variances
  B) population variance
  C) the average distance from one mean to another
  D) the total variability for the set of N scores

Question 3

What are the values for SS and variance for the following sample of n = 3 scores? Sample: 1, 4, 7
 
  A) SS = 18 and variance = 6
  B) SS = 18 and variance = 9
  C) SS = 66 and variance = 22
  D) SS = 66 and variance = 33