Chronic exposure to asbestos fiber is a well-known healthhazard. The article The Acute
Chapter 7, Problem 56(choose chapter or problem)
Chronic exposure to asbestos fiber is a well-known healthhazard. The article The Acute Effects of ChrysotileAsbestos Exposure on Lung Function (Environ. Research,1978: 360372) reports results of a study based on a sampleof construction workers who had been exposed to asbestosover a prolonged period. Among the data given in the articlewere the following (ordered) values of pulmonary compliance(cm3/cm H2O) for each of 16 subjects 8 months afterthe exposure period (pulmonary compliance is a measure oflung elasticity, or how effectively the lungs are able toinhale and exhale):167.9 180.8 184.8 189.8 194.8 200.2201.9 206.9 207.2 208.4 226.3 227.7228.5 232.4 239.8 258.6a. Is it plausible that the population distribution is normal?b. Compute a 95% CI for the true average pulmonary complianceafter such exposure.c. Calculate an interval that, with a confidence level of95%, includes at least 95% of the pulmonary compliancevalues in the population distribution.
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