Question: how do I find the standardized test statistic? claim is that there is a difference in the proportion of subjects that who feel better between

how do I find the standardized test statistic?

claim is that there is a difference in the proportion of subjects that who feel better between two groups. One group used magnetic insoles and another didn't.

59 wore magnetic insoles , 16 of them feel better and 43 didn't feel better

47 people didn't wear magnetic insoles and 20 of them feel better and 27 of them don't

a=0.09

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