Q 6: In a test of the effectiveness of a medicine to treat Asthma, 60 patients were randomly selected who had ahistory of Asthma. These 60 patients are randomly assigned

to receive either the new drug or a placebo. Aftertwo weeks of treatment, each patient is assessed and classified as "improved' or 'not improved'.The output is presented in the following table: Conduct an appropriate statistical test to answer the questions (i)What are the degrees of freedom for this table? (ii)What is the obtained test statistic? (ii)With level of significance 0.05, what is the critical value of test statistic? (iv)What is the statistical decision in this case?