In the axb factorial experiment, where a is the number of levels ...

[lbcchick]

In the axb factorial experiment, where a is the number of levels for factor A, b is the number of levels for factor B, and r in the number of replications of each of the ab factor combinations, the degrees of freedom for interaction is given by:
 a. (a - 1)(b - 1)
  b. (a - 1)(r - 1)
  c. (b - 1)(r - 1)
  d. ab(r - 1)
  e. (b + 1)(r + 1)

Question 2

The equation: Total SS = SSA + SSB + SS(AB) + SSE applies to which ANOVA model?
 a. one-way ANOVA
  b. a two-factor factorial design
  c. completely randomized design
  d. randomized block design
  e. none of these

[alexisweber49]

Answer to Question 1

A

Answer to Question 2

B

[lbcchick]

Thanks for the timely response, appreciate it

[mcarey591]

Great answer, keep it coming