Question: For the completely healed index corn at sixmonth postrandomisation outcome and data in Table 8.11 calculate the chisquared test statistic (without continuity correction) to compare

For the completely healed index corn at six‐month postrandomisation outcome and data in Table 8.11 calculate the chisquared test statistic (without continuity correction) to compare the proportions with a healed index corn in the corn plaster and scalpel groups.

A. 0.036 B. 0.730 C. 1.667 D. 2.263 E. 3.894

Table 8.11

Randomised (n) Examination post-randomisation (months) 6 9 12 Corn plaster Scalpel 101 101 27/74 24/80 18/55 22/64 20/43 16/51

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