Perform a Chi-Square Independence Test Using the Critical Value Approach

question 58

Essay

Perform a chi-square independence test using the critical value approach, provided the conditions for using the test aremet. Be sure to state the hypotheses and the significance level, to obtain the expected frequencies, to obtain the criticalvalue, to compute the value of the test statistic, and to state your conclusion.
-Tests for adverse reactions to a new drug yielded the results given in the table. At the 0.05 significance level, do the data provide sufficient evidence to conclude that an association exists between the treatment (drug or placebo)and the reaction (whether or not headaches were experienced)? $\begin{array} { r | r c } & \text { Drug } & \text { Placebo } \\ \hline \text { Headaches } & 11 & 7 \\ \text { No headaches } & 73 & 91 \end{array}$

Grasp the contributions of African-American movements and Harlem's contribution to political and cultural change.

Acknowledge the economic shifts and consumer trends in the 1920s, including the onset of consumer culture.

Study the American literary and artistic expatriate community in France for cultural and social reasons.

Learn about Prohibition, its supporters, and its societal impacts.

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