Question

11. The test scores of 20 students are shown below.

Find the standard deviation. Round your answer to one decimal place.
82 83 65 86
75 86 89 90
91 94 91 66
59 64 72 72
72 78 74 85


O 10.6
O 11.2
O 10.2
O 12.0

Answer 1

o 10.2 , I just took the test.