The standard deviation was 6050. is there evidence at the 1, Ask an Expert

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Average undergraduate cost for tuition, fees, room and board for all institutions in 2007 was $19,410. A random sample of costs in 2008 for 40 institutions indicated that the sample mean was $22,098 and the standard deviation was $6050. Is there evidence at the 1% significance level that the cost of attendance has increased? State the hypothesis?

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