(1) The following are the weight losses in pounds of a sample of persons following a prescribed diet for 4 weeks 53 24 1

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1 The Following Are The Weight Losses In Pounds Of A Sample Of Persons Following A Prescribed Diet For 4 Weeks 53 24 1 1 (63.87 KiB) Viewed 219 times

(1) The following are the weight losses in pounds of a sample of persons following a prescribed diet for 4 weeks 53 24 19 3.5 40 2.6 25 1.8 Using the Stat function on your calculator, find the following wounded to two decimal places (a) mean (b) range C) standard deviation: (d) variance (2) A sample of high school teachers yields the following data on the number of years of teaching experience 2 9 18 16 21 15 12 2 9. 2 9 Find the following without using the stat function on your calculator Show your work! a) median (b) mode (3) Job Finders did a study of mid-management jobs in large cities. A sample of such jobs showed the mean number of applicants for each position to be 37 with standard deviation 6 Use Chebyshev's Theorem to find the minimum percentage of jobs whose number of applicants is within 2.75 standard deviations from the mean Round percent to one decimal place From national research it was determined that the household income in a certain region of the United States, in thousands of dollars, had a mean of 5381 and a standard deviation of 1510 The distribution was found to be bell-shaped About 95% of the region's household incomes will lie between what values?