E Test: ADA Chapter 1 and 2 and 3 lest Find the sample variance and standard deviation. 19, 12, 5, 8, 9 0 Choose the correct answer below. Fill in the answer box to complete your choice. (Type an integer or a decimal. Round to one decimal place as needed.) O A. $2 = O B. 02 = Choose the correct answer below. Fill in the answer box to complete your choice. (Round to one decimal place as needed.) O A. 6= O B. S=