Mathematics, 09.07.2020 03:01 xnadertheking
The following data represent the pH of rain for a random sample of 12 rain dates in Tucker County, West Virginia. A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot indicates there are no outliers
4.58 5.72 4.77 4.76 5.19 5.05 4.80 4.77 4.75 5.02 4.74 4.56 35
(a) Determine a point estimate for the population mean pH of
(b) Construct and interpret a 95% confidence interval for the mean
(c) Construct and interpret a 99% confidence interval for the mean
(d) What happens to the interval as the level of confidence is rainwater in Tucker County pH of rainwater in Tucker County, West Virginia. pH of rainwater in Tucker County, West Virginia. increased? Explain why this is a logical result.
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