The volumes (in fluid ounces) of the contents of 15 randomly selected bottles of cough syrup are
Question:
The volumes (in fluid ounces) of the contents of 15 randomly selected bottles of cough syrup are listed. Use a 90% level of confidence.
Assume the sample is from a normally distributed population and construct the indicated confidence intervals for
(a) The population variance σ2
(b) The population standard deviation σ. Interpret the results.
Transcribed Image Text:
4.211 4.246 4.269 4.241 4.260 4.293 4.189 4.248 4.220 4.239 4.253 4.209 4.300 4.256 4.290
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a s 2 000103 n 1s 2 X R 2 n 1s 2 X L 2 14 000103 23685 14 000103 65...View the full answer
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9780321911216
6th Edition
Authors: Ron Larson, Betsy Farber
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