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A study explored the association between hemoglobin (g/dl) and age(years) among sickle cell patients. The authors reported a slope of 0.6 with a 95% confidence

A study explored the association between hemoglobin (g/dl) and age(years) among sickle cell patients. The authors reported a slope of 0.6 with a 95% confidence interval of (0.2,0.8). Is there a statistically significant association between hemoglobin and age with a level of significance of 0.05. Justify your response.

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