Question: Test the hypothesis that the sample mean LOS for MS-DRG 291 is different from the national standard. Obtain th national Medicare LOS from HCUP chart

Test the hypothesis that the sample mean LOS for MS-DRG 291 is different from the national standard. Obtain th national Medicare LOS from HCUP chart below. Be sure to state the null and alternative hypotheses and set the alpha prior to performing the test

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