The following data set indicates the number of people per day who visited a website over a random sample of eleven days.   559 566 574 579 579 579 581 583 584 590 592   Calculate the following, using the appropriate formulae and/or methods:   1. The mean (compute to three decimal places). Interpret your answer 2. The first quartile. Interpret your answer. 3. The variance. (The relevant formula must be used)

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