Math Problem Statement
Conduct a test of hypothesis to determine if it is reasonable that the coefficient is greater than zero. Use the 0.025 significance level. (Round intermediate calculations and final answer to 3 decimal places.)
H0: ρ ≤ 0; H1: ρ > 0 Reject H0 if t > 2.101 t =
Solution
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Math Problem Analysis
Mathematical Concepts
Hypothesis Testing
Pearson Correlation
t-Statistic
Formulas
Pearson correlation coefficient: r = Σ((Xi - X̄)(Yi - Ȳ)) / sqrt(Σ(Xi - X̄)^2 Σ(Yi - Ȳ)^2)
t-statistic for correlation: t = r * sqrt((n-2) / (1 - r^2))
Theorems
Hypothesis Test for Correlation Coefficient
Suitable Grade Level
College Level - Statistics
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