22AWest Coast refinery used the following stocks of oil in a production run of g
ID: 1145391 • Letter: 2
Question
22AWest Coast refinery used the following stocks of oil in a production run of gasoline. The respective costs of these stocks are shown in the adjacent column. Barrels Unit cost Light Arabian crude oil High-sulfur Alaskan oil Methyl alcohol from corn 5,000 20,000 1,000 6,000 $64 53 84 60 Texas medium weight crude The average cost per barrel is, 62.50 65.25 60.75 57.00 The annual salary of the staff members in a state government agency are shown below. The first column shows the annual salary and the second column the frequency (the number of employees earning that sala 23 ry) Annual Sala $104,000 92,000 81,000 60,000 46,000 31,000 Frequenc 2 8 20 6 The mean salary of agency's staff is: $69,000 $62,545 $54,262 $51,374Explanation / Answer
22. Option d
Barrels
Unit Cost
Cost
5000
64
320000
20000
53
1060000
1000
84
84000
6000
60
360000
Total No of Barrels
32000
Total cost
1824000
Average cost per barrel = Total cost/Total no of barrel
57
23. Option c
Annual Salary
Frequency
Salary
104000
1
104000
92000
2
184000
81000
5
405000
60000
8
480000
46000
20
920000
31000
6
186000
Sum of salary
2279000
n
42
Mean Salary
sum of salary/n = $54262
Barrels
Unit Cost
Cost
5000
64
320000
20000
53
1060000
1000
84
84000
6000
60
360000
Total No of Barrels
32000
Total cost
1824000
Average cost per barrel = Total cost/Total no of barrel
57
Related Questions
Hire Me For All Your Tutoring Needs
Integrity-first tutoring: clear explanations, guidance, and feedback.
Drop an Email at
drjack9650@gmail.com
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.