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What is the standard deviation of room service sales

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Leo has been learning much about business statistics from Alice. He has asked Alice to test him on his knowledge about Measures of Central Tendency and data variability. Alice begins the test by telling Leo that she has a random sample of room service sales in 20197. The average room service sale in the sample was $65.32. The variance was $625.00.

What is the standard deviation of room service sales in 2019? What was the Coefficent of Variation for those sales? Explain you answers with a mathematical expression. (A "mathematical expression" is something like: 5 x 2 = 10).

Reference no: EM132850469

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