This dataset represents a random sample of data from a local computer shop. The analyst collected information from 7 randomly selected months, months 1 to 7. The variable Sales denotes the number of computers the store sold each month. The variable Adv denotes the number of ads the computer shop posted online. Month Sales Adv 1 250 48 364 56 120 35 4 105 32 85 18 6. 65 4 65 27 Compute the sample coefficient of variation of the variable Sales. Round your answer to to two decimal places and then enter your answer in the numerical box below.

Q: Remove outliers, missing values and rescale the data.

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Q: Remove outliers, missing values and rescale the data.

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A:

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A:

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A:

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A: a.Mean:

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