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Which faculty position costs the university the most in "lost time"? Which day is the most costly for the university in terms of paying for this "lost time"?
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http://www.scribd.com/madil123/d/83548560-1999 (question 1)
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First add the total minutes tardy upfor the whole week for each of the faculty positions.
mins tardy pay per min (Rs.) cost per week (Rs.)
Lecturers 91 14.167 1289.17
Asstt Profs 110 16.25 1787.50
Asso Profs 136 17.083 2323.33
Profs 87 18.333 1595.00
Now convert the hourly pay rates to pay per minute (divide by sixty), then multiply the rate per minute by the number of minutes tardy in the whole week. This is an estimate of the cost per week for each faculty position.
Looking at the costs for the whole week, it seems that the Associate Profs cost the university the most in "lost time".
To work out which day of the week is most costly, calculate the cost per day for each faculty position by multiplying pay per minute by number of minutes tardy, and then sum over faculty positions for each day:
Mon Tue Wed Thur Fri
Lecturers 184.167 368.333 184.167 368.333 184.167
Asstt Profs 422.50 487.50 357.50 292.50 227.50
Asso Profs 495.417 239.167 478.333 529.583 580.833
Profs 0 146.667 110.000 183.333 1155.000
Total 1102.08 1241.67 1130.00 1373.75 2147.50
Therefore it seems that Friday is the most costly for the university, costing 2147.50 rupees.
The Associate Profs cost the university the most in "lost time".
The most costly day for the university in terms of paying for "lost time" is Friday,
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