This question related to (2 related samples) - Wilcoxon mathced- pairs signed ra

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This question related to (2 related samples)

- Wilcoxon mathced- pairs signed rank test

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oo the pusher 4.5 Bhatia et al. (E7) reported the data shown in Table 4.9. Can we conclude on the basis of these data that treatment lowers the stroke index in patients of this type? Let -005. TABLE 4.S Stroke index (ml/bea t/ma) in pre- and post-treatment studies of coronary circulation in chronic severe anaemia Case Before treatment (x) 109 After treatment (Y) 2 57 4 53 57 68 72 51 65 56 40 6:2 46 49 41

Explanation / Answer

Wilcoxon Signed Rank Test: Treatment

Test of median = 0.000000 versus median < 0.000000

N for Wilcoxon Estimated
N Test Statistic P Median
Treatment 8 8 34.5 0.991 15.00

P-value 0.991 < 0.05 we reject null hypothesis we conclud that treatments lowers the stroke index in patients in this type.

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