The following are all quiz scores of a student in a statistics course. Each quiz was graded on a 10-point scale. 10, 8, 8, 8, 6 Assuming that these scores constitute an entire population, find the sta

The following are all quiz scores of a student in a statistics course. Each quiz was graded on a 10-point scale. 10, 8, 8, 8, 6 Assuming that these scores constitute an entire population, find the standard deviation of the population. Round your answer to at least two decimal places.