Question: Listed below are the amounts of mercury in parts per

Listed below are the amounts of mercury (in parts per million, or ppm) found in tuna sushi sampled at different stores in New York City. The study was sponsored by the New York Times, and the stores (in order) are D’ Agostino, Eli’s Manhattan, Fairway, Food Emporium, Gourmet Garage, Grace’s Marketplace, and Whole Foods. Construct a 90% confidence interval estimate of the standard deviation of the amounts of mercury in the population.
0.56 0.75 0.10 0.95 1.25 0.54 0.88
Assume that each sample is a simple random sample obtained from a population with a normal distribution.

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  • CreatedMay 03, 2015
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