Question
The following data represent the pH of rain for a random sample of 12 rain dates....
The following data represent the pH of rain for a random sample of 12 rain dates. A normal probability plot suggests the data could come from a population that is normally distributed. A boxplot indicates there are no outliers. Complete parts a) through d) below.
5.58
5.72
4.89
4.80
5.02
4.59
4.74
5.19
5.34
4.76
4.56
5.71
a. what is the point estimate
b construct a 99% interval
c. construct a 95% interval
d. construct a 90% interval
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