Question: Using the data below, suppose we focus on the proportions of patients who show improvement. Is there a statistically significant difference in the proportions of

Using the data below, suppose we focus on the proportions of

Using the data below, suppose we focus on the proportions of patients who show improvement. Is there a statistically significant difference in the proportions of patients who show improvement between treatments 1 and 2. Run the test at a 5% level of significance. Symptoms Worsened No Effect Symptoms Improved Total Treatment 1 22 14 14 50 Treatment 2 14 15 21 50 Treatment 3 9 12 29 50

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