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Consider the diamond prices standardized by weight for diamonds with weights 0 99 carat and 1 carat See the table for summary statistics and then

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Consider the diamond prices standardized by weight for diamonds with weights 0 99 carat and 1 carat See the table for summary statistics and then construct a 95 confidence interval for the average difference between the standardized prices of 0 99 and 1 carat diamonds You may assume the conditions for inference are met Round your answers to two decimal places Mean SD n 0 99 carat 44 51 12 31 23 1 carat 55 81 15 11 23

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