In an automated chemikal coating process the speed with which object: on a conve

Question

In an automated chemikal coating process the speed with which object: on a conveyor belt are passed through a chemical spray (telt speed). the amount of chemical sprayed spray volume), and the brand of chemical used (brand) are factors that may affect the uniformity of the ccoting applied, A replicated 23 exprment wa conducted in an effort to Incree thecoating uniformity. In the following table, higher values of the responae varsble are cated with higher surface uniformity It are pazzed through a prayed (apray volume), and t Surfac Uniformity Spray Belt Run Volume Speed Brand Analyze this dat2 and state your conclusions. Let A-spray volume, s-belt speed. C-brand' (Use -0.05. Give answers accurate to 2 decimal places and Dfss exact integers.) Df Total 15 Which null hypotheses should be rejected? (Select all that apply-) Ha4c

Explanation / Answer

Analysis of Variance

H0A ,H0AB,H0B This hypothesis is rejected. as p-value is <0.05 and. Value is significant.

Source DF Adj SS Adj MS F-Value P-Value Model 8 1338.25 167.28 32.75 0.000 Blocks 1 0.25 0.25 0.05 0.831 Linear 3 186.50 62.17 12.17 0.004     A 1 30.25 30.25 5.92 0.045     C 1 12.25 12.25 2.40 0.165     B 1 144.00 144.00 28.20 0.001 2-Way Interactions 3 1135.50 378.50 74.11 0.000     A*C 1 1.00 1.00 0.20 0.671     A*B 1 1122.25 1122.25 219.74 0.000     C*B 1 12.25 12.25 2.40 0.165 3-Way Interactions 1 16.00 16.00 3.13 0.120     A*C*B 1 16.00 16.00 3.13 0.120 Error 7 35.75 5.11 Total 15 1374.00   

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