Titanium A geologist collected 20 differentore samples,

Chapter 10, Problem 29

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Titanium A geologist collected 20 differentore samples, all of the same weight, andrandomly divided them into two groups. The titaniumcontents of the samples, found using two differentmethods, are listed in the table:Method 1 Method 2.011 .013 .013 .015 .014 .011 .016 .013 .012 .015.013 .010 .013 .011 .012 .012 .017 .013 .014 .015a. Use an appropriate method to test for a significantdifference in the average titanium contents usingthe two different methods.b. Determine a 95% confidence interval estimate for(m1 m2). Does your interval estimate substantiateyour conclusion in part a? Explain

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