Combinations of three soil types

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Tomato plants were grown in a greenhouse under treatment conditions con­sisting of combinations of three soil types (Factor B) and two fertilizers (Fac­ tor A). Two plants were grown under each of the six treatment combinations. The (coded) yields of tomatoes are recorded below.

 

Factor B

 

Factor A

1

6

10

1

4

8

8

4

1

10

6

1

(a) Make an interaction plot for these data.

(b) Based on the plot in part (a), what model would you suggest?

(c) Find estimates for all the parameters in your model.

Reference no: EM131015129

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