Calculate cohens d to evaluate the effect size of difference

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Problem

A pharmacist is investigating the effect of two different medications on lowering blood pressure in patients diagnosed with hypertension. they compare the reduction in systolic blood pressure between Medication A and Medication B over a 3 month period. Group A had 293 people and Group B had 304 people. In the medication A group , the mean reduction in systolic pressure was 18mmHg with a standard deviation of 5mmHg. In the medication B group, the mean reduction in systolic blood pressure was 15 mmHg with a standard deviation of 4.5 mmHg. Calculate Cohen's d to evaluate the effect size of the difference in systolic blood pressure reduction between those 2 medications.

Reference no: EM133735652

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