Question

Researchers want to know if subjects who were diagnosed with hypertension at some point over the...

Researchers want to know if subjects who were diagnosed with hypertension at some point over the 24 year follow-up had a different mean BMI score at the initial exam than subjects who were not diagnosed with hypertension. a. What are the correct null and research hypotheses for this question? b. The following output was obtained from SPSS. What would our conclusion be based on this output? You need to write more than one sentence for your conclusion.

Group Statistics

HYPERTENSION N Mean Std. Deviation Std. Error Mean
BMI Yes 367 26.8171 4.04916 .21136
No 112 24.0336 3.30420 .31222

Independent Samples Test

       Levene's Test for Equality of Variances t-test for Equality of Means      
F Sig. t df Sig. (2-tailed) Mean DifferenceM.th> Std. Error Difference 95% Confidence Interval of the Difference
Lower Upper
BMI Equal variances assumed 5.439 .020 6.631 477 .000 2.78349 .41977 1.95865 3.60832
Equal variances not assumed 7.383 221.920 .000 2.78349 .37703 2.04046 3.52651
Math   Statistics-And-Probability   
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