Suppose there is an estate sale featuring many items sold at different prices. The mean selling price of the items is 75 dollars, and the standard deviation is 20. A piece of costume jewelry is priced at 15 dollars. Which of the following statements is true?

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25-01-2021
Mathematics

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Suppose there is an estate sale featuring many items sold at different prices. The mean selling price of the items is 75 dollars, and the standard deviation is 20. A piece of costume jewelry is priced at 15 dollars. Which of the following statements is true?

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youtubeviewer109 youtubeviewer109 · Answer 1 · 2021-01-27T22:33:35+01:00

youtubeviewer109 youtubeviewer109

27-01-2021

Answer: The price of the costume jewelry is 3 standard deviations to the left of the mean.

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priyankamittal483 priyankamittal483 · Answer 2 · 2022-07-14T10:30:54+02:00

The price of the costume jewelry is 3 standard deviations to the left of the mean.

What is the mean?

The mean (aka the arithmetic mean, different from the geometric mean) of a dataset is the sum of all values divided by the total number of values.

How to solve it?

The price of the costume jewelry is 3 standard deviations to the left of the mean.

Learn more about Mean:

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