[Step-by-Step] The level of lymphocytes (white blood cells) in the blood is associated with susceptibility to disease - lower levels indicate greater susceptibility.
Question:
The level of lymphocytes (white blood cells) in the blood is associated with susceptibility to disease - lower levels indicate greater susceptibility. In a study of the effects of stress on physical well-being, researchers recorded the lymphocyte counts for men who were going through a period of extreme emotional stress (the death of a spouse). For a sample of n = 20 men, the lymphocyte counts dropped an average of MD = 0.09 with s = 0.08. Do these data indicate a significant change? Test with α = 0.05.
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