Estimate the true mean air quality in the vicinity of steel


The air quality in the vicinity of a steel mill is monitored at 7 monitoring locations.

a) Estimate the true mean air quality in the vicinity of this steel mill using a 95% confidence interval. Data collected are: 27 , 25 , 36 ,32 , 28 , 27 , 31 (µ/gm3).

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Basic Statistics: Estimate the true mean air quality in the vicinity of steel
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