College tuition: A simple random sample of 35 colleges and universities in the United States...
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College tuition: A simple random sample of 35 colleges and universities in the United States has a mean tuition of $19,400 with a standard deviation of Construct an 80% confidence interval for the mean tuition for all colleges and universities in the United States. Round the answers to the nearest whole number.An 80% confidence interval for the mean tuition for all colleges and universities is< 0.
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