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An experiment is conducted so that an engineer can gain insight into the influence of sealing temperature A , cooling bar temperature B , percent polyethylene additive C , and pressure D on the seal...

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An experiment is conducted so that an engineer can gain insight into the influence of sealing temperature A, cooling bar temperature B, percent polyethylene additive C, and pressure D on the seal strength (in grams per inch) of a bread-wrapper stock. A ½  fraction of a 24 factorial experiment is used, with the defining contrast being ABCD. The data are presented here. Perform an analysis of variance on main effects only. Use α = 0.05.

A

B

C

D

Response

−1

−1

−1

−1

6.6

1

−1

−1

1

6.9

−1

1

−1

1

7.9

1

1

−1

−1

6.1

−1

−1

1

1

9.2

1

−1

1

−1

6.8

−1

1

1

−1

10.4

1

1

1

1

7.3

Answered Same Day Dec 24, 2021

Solution

Robert answered on Dec 24 2021
119 Votes
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