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9. Monthly Sales Data. A simple random sample of 5 months of sales data provided the following information: Month: Units Sold: 1 2 3

9. Monthly Sales Data. A simple random sample of 5 months of sales data provided the following information: Month: Units Sold: 1 2 3 4 5 94 100 85 94 92 a. Develop a point estimate of the population mean number of units sold per month. b. Develop a point estimate of the population standard deviation.

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