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QUESTION 7 1 points SaveAnswer Suppose a randomly chosen sample of recorded annual returns for ve company shares listed on the Australian stock exchange is given by 1.4%, 7%, 4%, 2.3% and 5rl%r The standard deviation of this sample of annual returns, rounded to two decimal places, is given by O 20.52% 0 4.05% O 4.53% O 16.41%