Mathematics, 28.07.2021 20:20 lizredrose5

Please use the accompanying Excel data set or accompanying Text file data set when completing the following exercise. The titanium content in an aircraft-grade alloy is an important determinant of strength. A sample of 20 test coupons reveals the following titanium content (in percent). 8.32 8.05 8.93 8.65 8.25 8.46 8.52 8.35 8.36 8.41
8.42 8.30 8.71 8.75 8.60 8.83 8.50 8.38 8.29 8.46
Use the normal approximation for the sign test to test the claim that the median titanium content is equal to 8.5%. Use Calculate the observed number of plus differences. Enter your answer; r 7
Calculate to 2 decimal places the test statistic. Enter your answer; z0
Calculate to 3 decimal places the P-value. P-value

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Please use the accompanying Excel data set or accompanying Text file data set when completing the fo...