suppose a psychologist wants to compare therapies of three different therapists (Ta, Tb, Tc) in reducing anxiety level. Anxiety scores ( measured on a scale from 0 to 50) are collected from five participants for each therapies.where therapy A=10, 12, 9, 15, 14 , therapy B=20, 18, 22, 19, 21 & therapy C=30, 28, 27, 35, 31
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