What hypothesize about central tendency and variability

Reference no: EM131009403

Everitt, as reported in Hand et al. (1994), presented data on the amount of weight gained by 72 anorexic girls under one of three treatment conditions. The conditions were Cognitive Behavior Therapy, Family Therapy, and a Control group who received no treatment. The data follow:

Cog.	1.7	0.7	20.1	20.7	23.5	14.9	3.5	17.1	27.6	1.6	11.7	6.1	1.1	24.0
Behav.	20.9	29.1	2.1	21.4	1.4	20.3	23.7	20.8	2.4	12.6	1.9	3.9	0.1	15.4
	20.7
Family	11.4	11.0	5.5	9.4	13.6	22.9	20.1	7.4	21.5	25.3	23.8	13.4	13.1	9.0
	3.9	5.7	10.7
Control	20.5	29.3	25.4	12.3	22.0	210.2	212.2	11.6	27.1	6.2	20.2	29.2	8.3	3.3
	11.3	0.0	21.0	210.6	24.6	26.7	2.8	0.3	1.8	3.7	15.9	210.2

(a) What would you hypothesize about central tendency and variability?

(b) Calculate the relevant descriptive statistics and graphics for each condition separately.

Reference no: EM131009403

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