MIE364S_T_8_11 - MIE364H1S Methods of Quality Control and...

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MIE364H1S Methods of Quality Control and Improvement Course Instructor: Prof. V. Makis Tutorial #8 1. A soft drink bottler is interested in obtaining more uniform fill heights in the bottles produced by his manufacturing process. It is known that percent carbonation, operating pressure, and line speed will affect the fill height of the carbonated beverage. For purposes of an experiment, the process engineer chooses two levels for carbonation (10 and 12 percent), two levels for pressure (25 and 30 psi), and two levels for line speed (200 and 250 bpm). He decides to run two replicates of a factorial design in these three factors, with all 16 runs taken in random order. The data, deviations from the target fill height, are shown below. Operating Pressure (B) 25 psi 30 psi Line Speed (C) Line Speed (C) Percent Carbonation (A) 200 250 200 250 10 -3 -1 -1 1 -1 0 0 1 12 0 2 2 6 1 1 3 5 a. Estimate the factor effects. Which effects appear to be large? b. Use the analysis of variance to confirm your conclusions for part (a).
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MIE364S_T_8_11 - MIE364H1S Methods of Quality Control and...

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