Question: It has been estimated that the average dinner check at Mortons, the worlds largest chain of upscale steakhouses, is $97 per person. Such a finding

It has been estimated that the average dinner check at Morton’s, the world’s largest chain of upscale steakhouses, is $97 per person. Such a finding could have been based on data like the 800 sample checks in file XR09109. Using the data in this file, construct and interpret the 95% confidence interval for the population mean.
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