Two formulations of a certain coating, designed to inhibit corrosion, are being tested. For each of eight pipes, half the pipe is coated with formulation A and the other half is coated with formulation B. Each pipe is exposed to a salt environment for 500 hours. Afterward, the corrosion loss (in µm) is measured for each formulation on each pipe. Pipe A: 197 161 144 162 185 154 136 130 Pipe B: 204 182 140 178 183 163 156 143 Can we conclude that the mean amount of corrosion differs between the two formulations? Use a 0.01 level of significance.
Two formulations of a certain coating, designed to inhibit corrosion, are being tested. For each of eight pipes, half the pipe is coated with formulation A and the other half is coated with formulation B. Each pipe is exposed to a salt environment for 500 hours. Afterward, the corrosion loss (in µm) is measured for each formulation on each pipe. Pipe A: 197 161 144 162 185 154 136 130 Pipe B: 204 182 140 178 183 163 156 143 Can we conclude that the mean amount of corrosion differs between the two formulations? Use a 0.01 level of significance.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.3: Zeros Of Polynomials
Problem 67E
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Two formulations of a certain coating, designed to inhibit corrosion, are being tested. For each of eight pipes, half the pipe is coated with formulation A and the other half is coated with formulation B. Each pipe is exposed to a salt environment for 500 hours. Afterward, the corrosion loss (in µm) is measured for each formulation on each pipe.
Pipe A: 197 161 144 162 185 154 136 130
Pipe B: 204 182 140 178 183 163 156 143
Can we conclude that the mean amount of corrosion differs between the two formulations? Use a 0.01 level of significance.
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