Math Problem Statement
Considerando o modelo de regressão linear simples y = β0 + β1z + ε (1) Supondo que os erros ε são variáveis aletórias independentes e identicamente distribuida com média zero e variância constante. 1.1 - Para n = 8, βˆ 0 = 25, 7097(2, 5027) e βˆ 1 = −1, 1258(0, 2536) , sendo os valores entre parenteses os erros padrões dos seus respectivos estimadores. Teste a significância dos parâmetros do modelo;
Solution
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Math Problem Analysis
Mathematical Concepts
Regression Analysis
Simple Linear Regression
Hypothesis Testing
Statistical Inference
Formulas
Simple linear regression model: y = β0 + β1z + ε
Test statistic t = (β_hat - β) / SE(β_hat)
Theorems
Student's t-test
Suitable Grade Level
Advanced Undergraduate
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