Question: how is this solved The sampling distribution of the sample mean is shown. If the sample size is n = 9. what is the standard

how is this solved

The sampling distribution of the sample mean is shown. If the sample size is n = 9. what is the standard deviation of the population from which the sample was drawn? Round to the nearest thousandth. O A. cr=0.540 O B. 6=0.0D7 O C. 0:0.180 Click to select your
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