A student took a random sample of 165 properties to examine how much more waterfront property is worth. Her summaries and boxplots of the two groups of prices are shown. Construct and interpret a 95% confidence interval for the mean additional amount that waterfront property is worth. (From technology, df = 98.21.) Non-Waterfront Prop. n S 101 209,848.55 98,497.62 FIX n S Waterfront Prop. D 64 337,262.48 148,502.32 Sale Prices ($1000) 800- 600- 400- 200- O The 95% confidence interval is (■.). (Round to the nearest whole number as needed. Use ascending order. Do not include the $ sign.) O NW

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