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In a random sample of seven cell phones, the mean full retail price was $534.00 and the standard deviation was $189.00. Assume the population is

In a random sample of seven cell phones, the mean full retail price was $534.00 and the standard deviation was $189.00. Assume the population is normally distributed and use the t-distribution to find the margin of error and construct a 90% confidence interval for the population mean u. Interpret the results. Identify the margin of error. (ROU is needed.) cell phones dollars square dollars

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