C it mathed.com/Student/Player Homework.aspx/homeworld-590585645aquestionid=Baflashed=falselickd-64063888back =https://warm MTH 101 002 Statistics and Probability | Aicha Palm & | 035 Homework: HWK-Sec 6.2 Score: 0 of 1 pt 10 of 12 (7 complete) HW Score: 6.2.28-T Quest The following data represent the concentration of dissolved organic carbon (my L) collected from 20 samples of organic soil Assume that the population is normally distributed Complete parts (a) through (c) on the right 15 42 29 80 27 10 16.51 5 20 8 81 14 00 20 46 14 90 93 67 30 91 14 86 15 72 15 35 972 19 80 14 86 3.09 20.46 18 30 (a) Find the sample mean The sample mean is 17 70 (Round to two decimal places as needed ) (b) Find the sample standard deviation The sample standard deviation is 7 71 (Round to two decimal places as needed.) (c) Construct a 98% confidence interval for the population mean u The 98% confidence interval for the population mean u is ( 15 16 20 23 .) (Round to two decimal places as needed )