Air pollution in large US cities is monitored to see whether it conforms to requirements set by

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Air pollution in large US cities is monitored to see whether it conforms to requirements set by the Environmental Protection Agency. The following data, expressed as an air pollution index, give the air quality of a city for 10 randomly selected days.
Air pollution in large US cities is monitored to see

Assuming that the data may be viewed as a random sample from a normal population, construct a 99% confidence interval for the actual variance of the air pollution index for this city and interpret.

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Mathematical Statistics With Applications In R

ISBN: 9780124171138

2nd Edition

Authors: Chris P. Tsokos, K.M. Ramachandran

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