In a random sample of 28 four-person tents the mean proce, Ask an Expert

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In a random sample of 28 four-person tents, the mean proce was $344.19 and the standard deviation was $61.32. Assume the prices are normally distributed. At the 5% significance level can we conclude that the mean price of four-person tents has increased from the previous mean proce of $325?

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