A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the...

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A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation. Salary (dollars) |Employees 5,001-10,000 10,001-15,000 15,001-20,000 20,001-25,000 25,001-30,000 19 14 12 16 19 OA. $8422.8 O B. $7588.1 O C. $7967.5 O D. $8195.1

math Statistics-And-Probability

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Answer 1

Answer #1

from above:

frequency(f) mid point(M) 7500.5 12500.5 17500.5 22500.5 27500.5 f*M 142509.5 175007 210006 360008 522509.5 1410040 f*M Bin 5

option b is correct

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Answer 2

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