Please help:What is the standard deviation of the data set?6, 4, 9, 5, 5, 4, 5Round the answer to the tenths place. A. 1.3B. 1.7C. 5.0D. 5.4

Please helpWhat is the standard deviation of the data set6 4 9 5 5 4 5Round the answer to the tenths place A 13B 17C 50D 54 class=