R-Squared in Multiple Regression Analysis Is

question 52

Multiple Choice

R-squared in multiple regression analysis is

• A)always 20 percent.
• B)considered good if it is at least .50.
• C)based on improvement over zero.
• D)never a helpful measurement.

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Definitions:

Wilhelm Konrad Roentgen

A German physicist who discovered X-rays in 1895, for which he received the first Nobel Prize in Physics in 1901.

X-ray

A form of electromagnetic radiation used in medical imaging to view the inside of the body, especially bones, to diagnose or monitor various conditions.

Marie Sklodowska Curie

A pioneering physicist and chemist who conducted groundbreaking work in radioactivity, and the first woman to win a Nobel Prize.

Retrograde Pyelogram

A urologic procedure in which the physician injects contrast into the ureters in order to visualize the ureters and kidney.