A Regression Model Involving 3 Independent Variables for a Sample

question 79

Essay

A regression model involving 3 independent variables for a sample of 20 periods resulted in the following sum of squares.
Sum of Squares
Regression 90
Residual Error) 100
a. Compute the coefficient of determination and fully explain its meaning.
b. At α = 0.05 level of significance, test to determine whether or not there is a significant relationship between the independent variables and the dependent variable.

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Definitions:

Ligaments

Fibrous connective tissues that connect bones to other bones, playing a key role in stabilizing and supporting joints.

Passive Stretching

Stretching muscles by using external forces, such as gravity or another person, without the individual's active contribution.

Static Stretching

A form of stretching exercises where you hold a position for a specific period to lengthen and loosen the muscles.

Muscle Fitness

The state of being physically strong and healthy, especially as a result of exercise, focusing on the muscles' strength, endurance, and flexibility.