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Author Question: A certain HMO is attempting to show the benefits of managed care to an insurance company. The HMO ... (Read 114 times)

saliriagwu

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on: Jan 16, 2020
A certain HMO is attempting to show the benefits of managed care to an insurance company. The HMO believes that certain types of doctors are more cost-effective than others. One theory is that Certification Level is an important factor in measuring the cost-effectiveness of physicians. To investigate this, the HMO obtained independent random samples of 20 physicians from each of the three certification levels-- Board certified (C); Uncertified, board eligible (E); and Uncertified, board ineligible (I)-- and recorded the total per member per month charges for each (a total of 60 physicians). In order to compare the mean charges for the three groups, the data will be subjected to an analysis of variance. The results of the ANOVA are summarized in the following table.  Take α = 0.01. Interpret the P-value of the ANOVA F test.
SourcedfSSMSF ValueProb > F                                  
Treatments25373.216​2686.608​20.730.0001
Error577387.2​129.6
Total5912,760.416  

◦ The variances of the total per number per month charges for the three groups of physicians differ at
◦ The means of the total per member per month charges for the three groups of physicians are equal at
◦ The model is not statistically useful for prediction purposes.
◦ The means of the total per member per month charges for the three groups of physicians differ at
Statistics: Informed Decisions Using Data ¦ Sullivan ¦ 5th Edition
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Marked as best answer by saliriagwu on Jan 16, 2020

dellikani2015

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Reply #1 on: Jan 16, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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EJ Yang

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Reply #2 on: Sep 8, 2020
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