Question: 1. Suppose that we have two data sets, call them data set A and data set B A: 10 20 30 40 50 60 70

1. Suppose that we have two data sets, call them data set A and data set B A: 10 20 30 40 50 60 70 B: 10 35 37 40 43 45 70 1. What is the range of each data set? 2. What is the standard deviation of each data set? Question 2 A school system employs teachers at salaries between $30000 per year and $60000 per year. The teachers' union and the school board are negotiating the form of next year's increase in the salary schedule. Suppose that each teacher is given a flat $1000 raise. 1. Will the mean salary change? If so, will it go up or down? Explain. 2. Will the median salary change? If so, will it go up or down? Explain. 3. Will the standard deviation of the salaries change? If so, will it go up or down? Explain

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