A Sports Analyst Wants to Exam the Factors That May

question 108

Multiple Choice

A sports analyst wants to exam the factors that may influence a tennis player's chances of winning.Over four tournaments,he collects data on 30 tennis players and estimates the following model: Win = β₀ + β₁ Double Faults + β₂Aces + ε,where Win is the proportion of winning,Double Faults is the percentage of double faults made,and Aces is the number of aces.A portion of the regression results are shown in the accompanying table. When testing whether the explanatory variables are jointly significant at the 5% significance level,he _______________________________________________________________________.

• A) rejects H₀,and concludes that the explanatory variables are jointly significant
• B) does not reject H₀,and concludes that the explanatory variables are jointly significant
• C) rejects H₀,and concludes that the explanatory variables are not jointly significant
• D) does not reject H₀,and concludes that the explanatory variables are not jointly significant

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Definitions:

Nutrition Counselor

A specialist dedicated to advising individuals on optimizing their dietary intake and nutrition for health benefits, adapting recommendations to individual needs.

Stimulus Control

A behavior modification technique that involves changing the environment to reduce cues that trigger undesirable behavior and increase prompts for desired behavior.

Behavior Change

The process of transforming or modifying one's actions or reactions to achieve a specific outcome, often related to health.

Countering

Substituting healthy responses for problem behaviors.