The following dam represent the pH of rain for a random sample of 12 rain dates. A normal probability plot suggess the data could come from a population that is normally distributed. A boxplot indicates there are no outliers. Complete parts a) through d) below. 5.05 5.72 5.24 4.80 5.02 4.60 4.74 5.19 5.29 4.76 4.56 5.71 5 Click the icon to view the table of critical tvalues. (a) Determine a point estimate for the population mean. A point estimate for the population mean is (Round to two decimal plaoes as needed.)