Question: You are reading an article detailing a study designed to compare the average body mass index among hypertensive individuals (persons with high blood pressure) to
You are reading an article detailing a study designed to compare the average body mass index among hypertensive individuals (persons with high blood pressure) to normotensive individuals.The study was conducted using participants in a health plan offered by a large insurance carrier.200 randomly selected hypertensive participants were compared to 200 randomly selected normotensive participants.The study reports a 95% confidence interval (CI) for the mean difference in BMI between hypertensives and normotensives.The 95% CI is (0.15 kg/m2, 2.43 kg/m2).However, no p-value is reported for testing the null hypothesis of no mean difference in BMI between the two groups (a mean difference of 0 kg/mg2) versus the alternative of a non-zero mean difference.
What can you tell about the p-value?
a). The p-value is < .05
b). The p-value is> .05
c). The p-value is exactly 0.05
d). The p-value is 0.083
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