An analysis of variance differs from a t test for independent ...

[OSWALD]

An analysis of variance differs from a t test for independent means in that an analysis of variance
 
  A) is usually used to compare two groups, while a t test for independent means can be used to compare two or more groups.
  B) can be used to compare three or more groups, while a t test for independent means cannot be used to compare more than two groups.
  C) is conducted before the experiment, while a t test for independent means is conducted after the experiment.
  D) includes computation of group variances as part of the analysis, while a t test does not include these computations.

Question 2

Find the mean.
 
  What will be an ideal response?

[micaelaswann]

Answer to Question 1

B

Answer to Question 2

M = 6.97