THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 28

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
You are interested in examining the factors that determine the average length of stay in a hospital across states.You collect data on the following variables:
Y = statewide average hospital stay
X₁ = median state income
X₂ = 1 if the state is in the Northeast,0 otherwise
X₃ = 1 if the state is in the South,0 otherwise
X₄ = 1 if the state is in the Midwest,0 otherwise
X₅ = 1 if the state is in the West,0 otherwise
-You run the following regression Y = β₀ + β₁X₁ + β₂X₂ + β₃X₃ + β₅X₅.How much longer would we expect to stay in a hospital in the Northeast than in a hospital in the Midwest?

• A)β₀
• B)β₀ + β₅
• C)β₂
• D)β₀ - β₄

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Definitions:

Osteoclasts

A type of bone cell that breaks down bone tissue, helping to reshape bones as they grow and repair.

Multinucleate Cells

Cells that contain more than one nucleus, often found in fungi and certain muscle tissues.

Osteoblasts

Cells responsible for bone formation, secreting the matrix for bone and playing a key role in bone growth and healing.

UV Rays

Ultraviolet rays, a type of electromagnetic radiation emanating from the sun and artificial sources like tanning beds, with wavelengths shorter than visible light but longer than X-rays.