Image caption 13. Payroll Here are the summary statistics for the weekly = $350, = $1200, payroll

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13. Payroll Here are the summary statistics for the weekly = $350, = $1200, payroll of a small company: lowest salary mean salary = $700, median = $700, range IQR = $700, first quartile = $450, standard deviation = $250. a) Do you think the distribution of salaries is symmetric, skewed to the left, or skewed to the right? Explain why. b) Between what two values are the middle 50% of the salaries found? c) Suppose business has been good and the company gives every employee a $50 raise. Tell the new value of each of the summary statistics. d) Instead, suppose the company gives each employee a 10% raise. Tell the new value of each of the summary statistics. 13. Payroll Here are the summary statistics for the weekly = $350, = $1200, payroll of a small company: lowest salary mean salary = $700, median = $700, range IQR = $700, first quartile = $450, standard deviation = $250. a) Do you think the distribution of salaries is symmetric, skewed to the left, or skewed to the right? Explain why. b) Between what two values are the middle 50% of the salaries found? c) Suppose business has been good and the company gives every employee a $50 raise. Tell the new value of each of the summary statistics. d) Instead, suppose the company gives each employee a 10% raise. Tell the new value of each of the summary statistics.

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Solution b Given that lowest salary mean Sa Salary median ... View the full answer