The average age of the accountants at Three Rivers Corp. is 26 years, with a standard deviation of 6 years; the average salary of the accountants is $31,000, with a standard deviation of $4000. Compare the variations of age and income.
Answer to relevant QuestionsUsing Chebyshev’s theorem, solve these problems for a distribution with a mean of 80 and a standard deviation of 10. a. At least what percentage of values will fall between 60 and 100? 75% b. At least what percentage of ...The average college student produces 640 pounds of solid waste each year. If the standard deviation is approximately 85 pounds, within what weight limits will at least 88.89% of all students’garbage lie? For this data set, find the mean and standard deviation of the variable. The data represent the ages of 30 customers who ordered a product advertised on television. Count the number of data values that fall within 2 standard ...The increases (in cents) in cigarette taxes for 17 states in a 6-month period are 60, 20, 40, 40, 45, 12, 34, 51, 30, 70, 42, 31, 69, 32, 8, 18, 50 Use the range rule of thumb to estimate the standard deviation. Compare the ...Using the data in Exercise 16, find the approximate percentile rank of each of the following costs. a. 5500 b. 7200 c. 6500 d. 8300
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