Homework: Ch9 HW One Sample Confidence Intervals Question 20, 9.2.31 Part 1 of 4 HW Score: 75%, 18 of 24 points The following data represent the pH ot rain tor a random sample ot 12 rain dates. A normal probability plot suggests the data could come trom a population that is normally distributed. A boxplot indicates there are no outliers. Complete parts a) through d) below. Click the icon to view the table ot critical t-values. (a) Determine a point estimate tor the population mean. A point estimate tor the population mean is (Round to two decimal places as needed.) O Points: O of 1 5.30 5.02 5.29 5.72 4.57 4.76 4.89 4.74 4.56 Save 4.80 5.19 5.68