facturer of hardness testing equipment uses steel-ball indenters to penetrate metal that is being tested. However, the manufacturer thinks it would be better to use a diamond indenter so that all types of metal can be tested. Because of differences he two types of indenters, it is suspected that the two methods will produce different hardness readings. The metal specimens to be tested are large enough so that two indentions can be made. Therefore, the manufacturer uses both indenters on imen and compares the hardness readings. Construct a 95% confidence interval to judge whether the two indenters result in different measurements. mal probability plot and boxplot of the data indicate that the differences are approximately normally distributed with no outliers. the icon to view the data table. a 95% confidence interval to judge whether the two indenters result in different measurements, where the differences are computed as 'diamond minus steel ball. bound is bound is Data table the nearest tenth as needed.) Specimen 1 Steel ball Diamond 2 3 4 7 9 51 57 61 71 68 54 65 51 53 ne solve this View an example Get more help - Clear all Check answer 53 55 63 74 69 55 68 51 56

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