The column of mean squares in the analysis of variance is obtained by

The column of mean squares in the analysis of variance is obtained by
 
  a. dividing the sums of squares by the degrees of freedom.
  b. multiplying the degrees of freedom times the sums of squares.
  c. dividing the sum of squares for treatments by the sum of squares for error.
  d. dividing the degrees of freedom by each other.

Question 2

In an analysis of variance summary table, the df for groups always equals
 
  a. the number of groups.
  b. the number of groups minus one.
  c. the number of subjects per group.
  d. the total number of subjects minus one.

Question 3

When we reject the null hypothesis in the analysis of variance we can conclude that
 
  a. all of the means are the same.
  b. all of the means are different.
  c. at least one of the means is different from at least one other mean.
  d. only one mean is different from one other mean.

Question 4

If the null hypothesis in the analysis of variance were true,
 
  a. the variances would all be the same.
  b. the sample means would all be the same.
  c. the population means would all be the same.
  d. every subject would have the same score.