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If a sample of average gas prices for n = 21 services staions is collected; calculate SAMPLE Variance of the Data Set; if the SUM

If a sample ofaverage gas pricesforn = 21services staionsis collected; calculateSAMPLE Varianceof theData Set;if theSUM of the Deviation Squared-SS or(x - x-bar =422.

FORMULA: OR

What is theSAMPLE STANDARD DEVIATIONof thedata set to one decimal place(nearest tenths)?

*Round your answer to 1DECIMAL PLACE*

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