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A sample of 7 employee salaries, recorded in euro, were 25,000 33,500 35,000 25,000 The range of salaries is The sample standard deviation, s, of salaries is The sample variance, s, of salaries is 36,500 41,200 (correct to the nearest euro). The inter-quartile range of salaries, using Tukey's method, is 112,000 (correct to the nearest euro). (correct to the nearest euro). (correct to the nearest euro).