karlrey6352 karlrey6352 08-04-2024 Mathematics Answered For the following data set, approximate the sample standard deviation of unused vacation days. 2 Days Frequency 1-2 22 3-4 28 5-6 15 7-8 14 A) 5.5 days B) 2.4 days C) 5.9 days D) 3.5 days