A glass manufacturing company wanted to investigate the effect of zone 1 lower temperature (630 vs. 650) and zone 3 upper temperature (695 vs. 715) on the roller imprint of glass. The results stored in Glass2 were as follows:

At the 0.05 level of significance,

a. is there an interaction between zone 1 lower and zone 3 upper?

b. is there an effect due to zone 1 lower?

c. is there an effect due to zone 3 upper?

d. Plot the roller imprint for each level of zone 1 lower for level of zone 3 upper.

e. Discuss the results of (a) through (d).

Transcribed Image Text:

ZONE 3 UPPER ZONE 1 LOWER 695 715 630 50 100 630 25 630 50 25 630 125 75 25 75 650 650 25 25 650 50 650 20 125