A	B	C	D	E
Balance, April	540	3400	2990	0	0
DM		700	560	375	3500	6900
DL		500	600	490	2500	3000
Allocated overhead	550	660	539	2750	3300
Total cost		2290	5220	4394	8750	13200
Mean cost
Median cost
Std dev: direct and indirect costs:
Analysis of the jobs costs:

Determine the standard deviation between direct costs and indirect costs.

Interpret the differences in cost means of the jobs with a bar chart.

Interpret the standard deviation.