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Mathematics, 02.03.2020 23:12 humpty21

In a hypothetical study, researchers found that the average donut sold by Krispy Kreme contains 260 calories, with a standard deviation of 35 calories. At stores where calorie information was located next to the menu items, the average donut sold contained only 240 calories.
Based on this information, Cohen's d equals:

A)-.57 B)1.75 C).57 D)-1.75

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