Question: Need help solving this problem. Thank you! 6. Suppose that the population standard deviation (or) for a normally distributed standardized test of achievement is known

Need help solving this problem. Thank you!

6. Suppose that the population standard deviation (or) for a normally distributed standardized test of achievement is known to be 7.20. What would the standard error of the sample mean (ox) be if we were to draw a random sample of 16 test scores? 3 2 16

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