Please answer the following question and show your work! I don't understand why the answer is 0.92 so try to include explanations.Thanks

Consider a study testing the hypothesis that, on average, individuals will remember more words in a recall memory test when they are given a new cognitive enhancement drug than when they are given a placebo. The following scores, which measure the number of words remembered, are provided for five individuals rested in both conditions. Drug condition: 7, 9, 8, 9, 8 Placebo condition: 5, 7, 6, 8, 9 What is Cohen's d? X 1.20 V 0.92 X 1.30 0.58 Next