(Solution Library) Ten samples were taken from a plating bath used in an electronics manufacturing process, and the bath pH was deter-mined. The sample pH values
Question: Ten samples were taken from a plating bath used in an electronics manufacturing process, and the bath pH was deter-mined. The sample pH values are 7.91, 7.85, 6.82, 8.01, 7.46, 6.95, 7.05, 7.35, 7.25, and 7.42. Manufacturing engineering believes that pH has a median value of 7.0. Do the sample data indicate that this statement is correct? Use the sign test with 0.05 to investigate this hypothesis. Find the P-value for this test.
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Confidence Interval for Proportion Calculator - MathCracker.com