5.43. In Problem 4.53 you met physics PhD student Laura Van Ertia who had conducted a single-factor experiment in her pursuit of the unified theory. She is at it again, and this time she has moved on to a two-factor factorial conducted as a completely randomized deesign. From her experiment, Laura has constructed the following incomplete ANOVA display:

(a) How many levels of factor B did she use in the experiment?
______

(b) How many degrees of freedom are associated with interaction? ______

(c) The error mean square is ______.

(d) The mean square for factor A is ______.

(e) How many replicates of the experiment were conducted?
______

(f) What are your conclusions about interaction and the two main effects?
(g) An estimate of the standard deviation of the response variable is ______.
(h) If this experiment had been run in blocks there would have been ______ degrees of freedom for blocks.

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Source SS DF MS F A 350.00 2 B 300.00 150 AB 200.00 50 50 Error 150.00 18 Total 1000.00