Question: 4 Suppose we could gather more data points for clothing sales from additional stores. In order to make the margin of error for clothing sales

4 Suppose we could gather more data points for clothing sales from additional stores. In order to make the margin of error for clothing sales as close as possible to the current margin of error for toy sales, how many additional data points would be required? Assume that the mean and sample standard deviation remain the same. Round to the nearest whole number. excel formula pls

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