An analyst has identified 3 independent variables (X1, X2, X3) which might be used to predict Y. He has computed the regression equations using all combinations of the variables and the results are summarized in the following table. Why is the R2 value for the X3 model the same as the R2 value for the X1 and X3 model, but the Adjusted R2 values differ? 
Definitions:
Complaints
Expressions of dissatisfaction or annoyance about a state of affairs or an event.
Defensive Climates
Social or communication environments characterized by a lack of openness or trust, where individuals feel the need to protect themselves from criticism or attack.
Supportive Climates
Supportive climates refer to environments, either social or physical, that promote well-being, encouragement, and mutual respect among individuals.
Conflict Management Skills
Conflict Management Skills are strategies and techniques aimed at handling disputes and disagreements in a way that minimizes negative effects and promotes positive outcomes.
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