Prove this inequality using the Cauchy Bunyakovsky inequalities

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How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet