Eight samples of a polymer compound were obtained and their densities were measured as given in DS
Question:
(a) Use an appropriate hypothesis lest to assess whether there is sufficient evidence to establish that the average density of these kind of compounds is larger than 3.50.
(b) Construct a 99% confidence interval that provides a lower bound on the average density of these kind of compounds.
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a The sample mean is x 3669 and the sample standard deviation is s 02531 The hypo...View the full answer
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Related Book For
Probability And Statistics For Engineers And Scientists
ISBN: 9780495107576
3rd Edition
Authors: Anthony Hayter
Question Posted:
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