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Mathematics Clinic => Statistics => Topic started by: stephzh on Aug 31, 2019

Title: Dimes minted in the United States average 2.286 g with a standard deviation of 0.06 g. A couple ...
Post by: stephzh on Aug 31, 2019

Dimes minted in the United States average 2.286 g with a standard deviation of 0.06 g. A couple chemistry students were trying out their teacher’s new scale by weighing a bunch of coins. The found a nickel that weighed 5.19 g and a dime that weighed 2.45 g. Which coin was more exceptionally heavy? Explain.

Title: Dimes minted in the United States average 2.286 g with a standard deviation of 0.06 g. A couple ...
Post by: Jody Vaughn on Aug 31, 2019

The dime is more unusual. The nickel weighed a bit more than 2 standard deviations above the average weight (z = 2.375, while the dime was closer to 3 standard deviations more than the average for dimes (z = 2.733).

Title: Re: Dimes minted in the United States average 2.286 g with a standard deviation of 0.06 g. A couple
Post by: NIcamaf on Dec 15, 2019

Thank you for your help

Title: Re: Dimes minted in the United States average 2.286 g with a standard deviation of 0.06 g. A couple
Post by: MADELYN PARKER on Oct 3, 2020

Thank You!

Title: Re: Dimes minted in the United States average 2.286 g with a standard deviation of 0.06 g. A couple
Post by: Adrian Salazar on Oct 8, 2020

Thank you

Title: Re: Dimes minted in the United States average 2.286 g with a standard deviation of 0.06 g. A couple
Post by: Basically Simi on May 7, 2022

thank you