A Student Runs a Two-Factor Experiment to Test How Toaster

Multiple Choice

A student runs a two-factor experiment to test how toaster level and speed affect the level of crispness of a bagel.He choses 3 levels of crispness (light,medium,dark) and 3 speeds (1 min,2 min,3 min) ,toasting one bagel at each condition.

A) Crispness SS: 2 df;Speed SS: 2 df;SSE: 5 df
B) Crispness SS: 2 df;Speed SS: 2 df;SSE: 4 df
C) Crispness SS: 3 df;Speed SS: 3 df;SSE: 6 df
D) Crispness SS: 2 df;Speed SS: 2 df;SSE: 6 df
E) Crispness SS: 3 df;Speed SS: 3 df;SSE: 9 df