Shown Below Is a Partial Computer Output from a Regression

question 19

Essay

Shown below is a partial computer output from a regression analysis.
Coefficient Standard Error
Constant 10.00 2.00
X1 -2.00 1.50
X2 6.00 2.00
X3 -4.00 1.00
Analysis of Variance
Source of Variation
Degrees of Freedom
Sum of Squares
Mean
Square F
Regression 60
Error
Total 19 140
a. Use the above results and write the regression equation.
b. Compute the coefficient of determination and fully interpret its meaning.
c. At α = 0.05, test to see if there is a relation between X1 and Y.
d. At α = 0.05, test to see if there is a relation between X3 and Y.
e. Is the regression model significant? Perform an F test and let α = 0.05.

---

Definitions:

Roles

Socially expected behavior patterns associated with a particular position or status in a group or society.

Physical Health

A state of physical well-being in which an individual is able to perform daily activities without restrictions.

Role Playing

The acting out or performance of a particular role, either consciously or unconsciously, in accordance with societal expectations.

Sports Training

A systematic practice or exercise regimen designed to enhance physical performance in specific sports.