A Sports Analyst Wants to Exam the Factors That May

question 48

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 + β₁Double 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 jointly influence the response variable, the null hypothesis is ________.

• A) H₀: β₁ = β₂ = 0
• B) H₀: β₁ + β₂ = 0
• C) H₀: β₀ = β₁ = β₂ = 0
• D) H₀: β₀ + β₁ + β₂ + 0

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Definitions:

Insurance Policy

A contract between an insurer and an insured, detailing the terms and conditions under which the insurer agrees to compensate the insured for specific losses.

T Accounts

A graphic representation of a journal entry in accounting, shaped like a "T", showing debits on the left and credits on the right.

Fees Earned

Income received from services provided, rather than from the sale of goods.

Normal Balance

The side (debit or credit) where an account increases in accordance with double-entry bookkeeping.