A company of coffee prices at 4 randomly seleced grocery stores in Sampaloc, Manila showed increases from the previous month of 12, 15, 17, and 20 Pesos for 200 gram jar. Find the sample variance and sample standard deviation.

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Q: The sample standard deviation for the cost is $

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Q: 5. A comparison of coffee prices at 4 randomly selected grocery stores in Sampaloc, Manila showed…

A: Given data is 12, 15, 17, 20sample size(n)=4sample mean (x)=12+15+17+204sample mean (x)=644=16

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Q: Suppose the standard deviation of a sample is 3.5. Find the variance. Do not round. Submit Question

A: According to the given information, we have Standard deviation = 3.5

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