Recently, a study was conducted in which a random sample of hospitals was selected from each of four categories of hospitals: university related, religious related, community owned, and privately owned. At issue is the hospital charges associated with outpatient gall bladder surgery. The following data are in the file called Hospitals:

a. Compute the average charge for each hospital category.
b. Construct a bar chart showing the averages by hospital category.
c. Discuss why a pie chart would not in this case be an appropriate graphical tool.

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University Religious Municipally Privately Related Afliliated Owned Held S6.120 S5.960 S6,300 6,500 6.250 S6.695 S4,010 S3.770 $3.960 S3,620 S3.280 S3.680 S4.320 S4.650 S4.575 $4.440 $4.900 $4.560 S5.100 $4.920 $5.200 $5.345 $4.875 S5,330 University Religious Municipally Privately Related S6.475 56.250 6.880 S6.550 Affiliated Ow S3,350 S3,250 S3.400 Owned $4.610 S4.850 Held S5,415 $5.150 55.380