Ten replicate analyses of the concentration of mercury in a sample of commercial gas condensate gave the
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Ten replicate analyses of the concentration of mercury in a sample of commercial gas condensate gave the following results. Mercury ng ml-1 22.5 21.9 21.5 19.9 21.3 21.7 23.8 22.6 24.1 23.3 Do these data provide sufficient evidence to conclude that the population standard deviation is greater than 2.5 ng ml-1 . Assume 0.1
Related Book For
A Survey of Mathematics with Applications
ISBN: 978-0134112107
10th edition
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
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