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03-NUMERI.ASMT, MATH 302, SEC ID NAME: 3.12 Ague, by an example, that the varian

ID: 3073227 • Letter: 0

Question

03-NUMERI.ASMT, MATH 302, SEC ID NAME: 3.12 Ague, by an example, that the variance of observations in arithmetic series with common difference can be calculated by12 3.13 A company pays a monthly salary of SR 10 thousand Riyals to an employee, 14 thousand Riyals to 3 employees, 18 thousand Riyals to 4 employees, 22 thousand Riyals to 3 employees and 26 thousand Riyals to 1 employee. What is the average monthly salary of these 12 employees? Solution: Fill in the blanks Monthly salary 10 18 26 Total Frequency 13 1 --tw, + x, w, +x,w, -10(1)+14(3) + S(4) + 22(3)+26(1) -18. 12

Explanation / Answer

(the answer shown by you is right please revert if any help is required on this )

here as average monthly salary =total monthly salary given/total number of employees

=(10000*1+14000*3+18000*4+22000*3+26000*1)/12 =18000