You intend to estimate a population mean / from the following sample. 13.7 27.8 15.3 6.1 -8.4 -7 12.7 25.7 6.7 36.5 -4.6 30.9 12.1 37.1 20.9 -8.5 12 17.1 37 25 15.7 33.8 13.9 -6.1 40.7 0.2 57.3 14.9 40.1 -2.4 33.9 51.8 10.9 7.3 21.7 2.8 27.3 -1.1 8.9 3.1 12.8 23.7 18.6 23.1 27 20.9 23.6 7.9 34 31.4 28.8 9.7 3.3 7.8 -8.9 16 28.2 11.3 4.4 26.7 2.7 Find the 95% confidence interval. Enter your answer as a tri-linear inequality accurate to two decimal places. Please use Excel or Google Sheets to determine the mean and standard deviation of this sample. There is an Excel template in the Supplementary Resources folder. The t-table is also in the Supplementary folder.