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Mathematics, 27.12.2020 15:10 jen1164
Six different machines are being considered for use in manufacturing rubber seals. The machines are being compared with respect to tensile strength of the product. A random sample of four seals from each machine is used to determine whether the mean tensile strength varies from machine to machine. The following are the tensile-strength measurements in kilograms per square centimeter ×10−1 : Machine
Machine
1 2 3 4 5 6
17.5 16.4 20.3 14.6 17.5 18.3
16.9 19.2 15.7 16.7 19.2 16.2
15.8 17.7 17.8 20.8 16.5 17.5
18.6 15.4 18.9 18.9 20.5 20.1
Required:
Perform the analysis of variance at the 0.05 level of significance and indicate whether or not the mean tensile strengths differ significantly for the six machines.
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Six different machines are being considered for use in manufacturing rubber seals. The machines are...
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