Essay
A colleague was asked to present his results with 95% confidence intervals instead of using a p-value, but he does not know how to interpret confidence intervals. He conducted a simple linear regression to assess the relationship between body mass index (BMI) and number of cigarettes smoked per day. Your colleague gives you the following information: parameter estimate is 0.10 with a 95% confidence interval of 0.001 to 0.30. Provide an interpretation to your colleague.
Correct Answer:

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Correct Answer:
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