How do you find the sample standard deviation?

= Homework: Section 3.3 Homework Question 3, 3.3.3-T HW Score: 80.74%, 12.11 of 15 points Part 3 DE Points: 1.70 at 2 Sav Oflen. hequincy distribudione we reported using unequal dais willly beesin the frequencies of some groups would otherwise be small or very large Cormier the following dula, which maresent the daytime household temperature the thermostat is set to when someone is home for a random sample of 744 households. Determine the class midpoint, if necessary, for each class and approximate the mean and standard deviation temperature. Click the icon to view the frequency distribution for the daytime household temperature. X Frequency distribution 61-04 65 67 Hequincy 61-64 30 FR-FO 45 67 70 706 GO CO 197 71-72 72 70 196 73-75 71-72 1.1H 77-80 79 77 60 GO [Round to one decimal place as needed) The sample mean is 70.0 F. (Round to one decimal place as needed) The sample standard deviat on is |"F. Print Done [Round to noe decimal place as needed )