Mathematics, 13.11.2019 00:31, georgehall3027

The article "the influence of corrosion inhibitor and surface abrasion on the failure of aluminum-wired twist-on connections" (ieee trans. on components, hybrids, and manuf. tech., 1984: 20–25) reported data on potential drop measurements for one sample of connectors wired with alloy aluminum and another sample wired with ec aluminum. does the accompanying sas output suggest that the true average potential drop for alloy connections (type 1) is higher than that wfor ec connections (as stated in the article)? carry out the appropriate test using a significance level of .01. in reaching your conclusion, what type of error might you have committed? type n mean std dev std error1 20 17.4990 0.55012821 0.123012412 20 16.9000 0.48998389 0.10956373type variances t df prob> |t|1 unequal 3.6362 37.5 0.00082 equal 3.6362 38.0 0.0008

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The article "the influence of corrosion inhibitor and surface abrasion on the failure of aluminum-wi...