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Which statistical approach should be used

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Reference no: EM132418166

Problem:

A study of 10 different weight loss programs involved 500 subjects. Each of the 10 programs had 50 subjects in it. The subjects were followed for 12 months. Weight change for each subject was recorded. The researcher wants to test the claim that all ten programs are equally effective in weight loss.

(a) Which statistical approach should be used? 

(i) confidence interval 

(ii)  t-test 

(iii) ANOVA 

(iv) Chi square

(b) Explain the rationale for your selection in (a). Specifically, why would this be the appropriate statistical approach?

Reference no: EM132418166

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