Statistics Solutions

[See Solution] A study was run on the effectiveness of a medication for a medical condition, results below. Develop the null and alternative hypotheses

Question: A study was run on the effectiveness of a medication for a medical condition, results below. Develop the null and alternative hypotheses for this study. Test the relationship between outcome and treatment using chi-square analysis. Based on your analysis will you accept or reject the null hypothesis at a 95% confidence level? Explain the significance of this finding for medical treatment.

Treatment Group

Outcome: Placebo 1.6 g/d 2.4 g/d
In remission 2 6 6
Improved 8 13 15
Maintained 12 11 14
Worsened 22 14 8

H0: Outcome and Treatment are independent

Ha: Outcome and Treatment are independent

Probability: __ 0.073 ___

Chi-square: __ 11.556 ___ (test statistic)

Critical Value: _ 12.592 ____ (threshold)

Significance: We conclude that Outcome and Treatment group are not related.

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Deliverable: Word Document


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