Graceland Hospital is analyzing its overhead costs. It is not clear whether the number of patient days or nursing hours would be the best cost driver to use in predicting the hospitals overhead. The latest information on the hospital is as follows:

Month	Hospital Overhead Costs	Nursing Hours	Number of Patient Days	Overhead Cost Per Nursing Hour	Overhead Cost Per Patient Day
January	$703,000	34,400	5,600	$20.44	$125.54
February	$802,000	37,400	6,600	$21.44	$121.52
March	$619,000	29,300	6,500	$21.13	$95.23
April	$692,000	32,300	5,100	$21.42	$135.69
May	$863,000	47,300	8,500	$18.25	$101.53
June	$668,600	30,750	5,000	$21.74	$133.72

Graph the hospitals overhead costs against the number of patient days. Note: This is for your benefit so that you can answer Question 3.

Graph the hospitals overhead costs against nursing hours. Note: This is for your benefit so that you can answer Question 3.

3. Does the data appear to be straight forward or do you see any potential problems with the data? Please explain.