Mathematics, 22.07.2019 21:20, NewKidnewlessons

The following data represent the ph of rain for a random sample of 12 rain dates in a particular region. a normal probability plot suggests the data could come from a population that is normally distributed. a boxplot indicates there are no outliers. the sample standard deviation is s=0.306. construct and interpret a 99% confidence interval for the standard deviation ph of rainwater in this region.
5.20, 5.02, 4.87, 5.72, 4.57, 4.76, 4.99, 4.74, 4.56, 4.80, 5.19, 4.68

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The following data represent the ph of rain for a random sample of 12 rain dates in a particular reg...