If 15 determinations of the purity of gold have a standard deviation of 0.0015 , test the
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If 15 determinations of the purity of gold have a standard deviation of 0.0015 , test the null hypothesis that \(\sigma=0.002\) for such determinations. Use the alternative hypothesis \(\sigma eq 0.002\) and the level of significance \(\alpha=0.05\).
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To test the null hypothesis that the standard deviation of the purity of gold determinations is 0002 against the alternative hypothesis that it is not equal to 0002 we will use the hypothesis testing ...View the full answer
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Related Book For 
Probability And Statistics For Engineers
ISBN: 9780134435688
9th Global Edition
Authors: Richard Johnson, Irwin Miller, John Freund
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