Mathematics, 17.04.2020 05:29, cdraytonn

Assuming the population has an approximate normal distribution, if a sample size n = 15 has a sample mean ¯ x = 49 with a sample standard deviation s = 7 , find the margin of error at a 90% confidence level. Round the answer to two decimal places.

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Assuming the population has an approximate normal distribution, if a sample size n = 15 has a sample...