In Regression Analysis, the Total Variation Is

question 84

Multiple Choice

In regression analysis, the total variation is:

• A) the sum of the squared deviations of each value of y from the mean of x
• B) the sum of the explained variation and unexplained variation
• C) the standard error of the forecast
• D) equal to R²

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Definitions:

Mean Corpuscular Volume

A measure of the average volume of a red blood cell, used in diagnosing and classifying anemias.

Hemoglobin

A protein found in red blood cells responsible for transporting oxygen from the lungs to the rest of the body and carbon dioxide back to the lungs to be exhaled.

Mean Corpuscular Volume

A measure of the average volume of a red blood cell.

RBCs

Short for red blood cells, these are the cells in blood that carry oxygen from the lungs to the rest of the body and return carbon dioxide back to the lungs for exhalation.