Question: confidence intervals in the Media. Here is a typical statement made by the media: Based on a recent study, pennies weigh an average of 2.5

confidence intervals in the Media. Here is a typical statement made by the media: “Based on a recent study, pennies weigh an average of 2.5 grams with a margin of error of 0.006 gram.” What important and relevant piece of information is omitted from that statement? Is it OK to use the word “average”?

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