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"?
Choose the correct answer below.
A. The media often omit reference to the confidence interval. It is OK to use the word "average" in this context.
B. The media often omit reference to the confidence interval. The word "mean" should be used instead of the word "average."
C. The media often omit reference to the confidence level, which is typically 95%. The word "mean" should be used instead of the word "average."
D. The media often omit reference to the confidence level, which is typically 95%. It is OK to use the word "average" in this context.