13. The Department of Health and Welfare in Pulaski County is reviewing charges for a common surgical procedure which was performed in each of three hospitals located within Pulaski County. A random...

Extracted text: 13. The Department of Health and Welfare in Pulaski County is reviewing charges for a common surgical procedure which was performed in each of three hospitals located within Pulaski County. A random sample of five charges for the surgical procedure from each of the three hospitals is listed in the table to the right. At the .01 level of significance, does there appear to be any difference in the mean charge for this surgical procedure among the three hospitals? Providence County Mercy 5580 4700 4500 6300 5540 5975 7600 7544 5800 6067 7600 5590 7000 9080 6000 a. State the null and alternate hypotheses. Но: H¡: b. State the decision rule. c. Compute the value of the test statistic (use the tables). nt o с.


Extracted text: d. What is your decision regarding the null hypothesis? Interpret the result.