If the Null Hypothesis States H₀ : E(Y)= µ_Y,0, Then ${ \mu }_Y$

question 40

Multiple Choice

If the null hypothesis states H₀ : E(Y) = µ_Y,0, then a two-sided alternative hypothesis is

• A)H₁ : E(Y)? µ_Y,0.
• B)H₁ : E(Y)? µ_Y,0.
• C)H₁ : \( { \mu }_Y\) < µ_Y,0.
• D)H₁ : E(Y)> µ_Y,0.

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Definitions:

Downcoding

A practice of third-party payers in which the benefits code has been changed to a less complex or lower-cost procedure than was reported; another payer practice in which a reported evaluation & management service is reduced to a lower level based strictly on the diagnosis code reported.

Bundling

The practice of grouping together products or services for sale as a single combined unit, often offered at a reduced price compared to purchasing each item separately.

ICD-9-PCS

The International Classification of Diseases, 9th Revision, Procedure Coding System; a medical classification system used in the United States for procedural codes.

ICD-10-PCS

International Classification of Diseases, Tenth Revision, Procedure Coding System; a system used by healthcare providers to classify and code all diagnoses, symptoms, and procedures.