An experiment was conducted to determine whether either firing temperature or furnace position...

Question

An experiment was conducted to determine whether either firing temperature or furnace position affects the baked density of a carbon anode. The data are as follows:

Temperature (°C)
Position	800	825	850
1	570	1063	565
565	1080	510
583	1043	590
2	528	988	526
547	1026	538
521	1004	532

(a) State the hypotheses of interest.

(b) Test the above hypotheses using the analysis of variance with α= 0.05. What are your conclusions?

(c) Analyze the residuals from this experiment.

Robert · Accepted Answer

b) 
output:
Since the P-value for testing the significance of interaction is 0.427, which is greater than 0.05, we 
conclude at 5% level that the interaction is not significant. 
Therefore, we can proceed on testing the hypothesis for the main effects.

An experiment was conducted to determine whether either firing temperature or furnace position affects the baked density of a carbon anode. The data are as follows: Temperature (°C) Position 800 825...

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