Question: You may need to use the appropriate appendix table or technology to answer this question. A simple random sample of 60 items resulted in a

You may need to use the appropriate appendix

You may need to use the appropriate appendix table or technology to answer this question. A simple random sample of 60 items resulted in a sample mean of 25 . The population standard deviation is =8. (Round your answers to two decimal places.) (a) What is the standard error of the mean, x? (b) At 95% confidence, what is the margin of error

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