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 B 197 204 2 161 182 3 144 140 4 162 178 185 183 154 163 136 156 8 130 143 Can you conclude that the mean amount of corrosion differs between the two formulations?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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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
B
197
204
2
161
182
3
144
140
4
162
178
185
183
154
163
136
156
8
130
143
Can you conclude that the mean amount of corrosion differs between the two formulations?
Transcribed Image Text: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 B 197 204 2 161 182 3 144 140 4 162 178 185 183 154 163 136 156 8 130 143 Can you conclude that the mean amount of corrosion differs between the two formulations?
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