Is there enough evidence at the 5% significance level to infer that the cholesterol level and the age at death show a negative linear relationship?
What will be an ideal response?
H0 : ?2 = 0 against H1 : ?2 < 0
Rejection region: t < -t0.05,36 = -1.685
Test statistic: t = -1.909
Conclusion: Reject the null hypothesis. Yes, there is enough evidence at the 5% significance level to infer that the cholesterol level and the age at death show a negative linear relationship.
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