To test the effectiveness of a new drug, a researcher gives one group of individuals the new drug and another group a placebo. Using a x2 test at a 0.1 level of significance, determine if the researcher can conclude that the drug is effective?

To test the effectiveness of a new drug, a researcher gives one group of individuals the new drug and another group a placebo. Using a x2 test at a 0.1 level of significance, determine if the researcher can conclude that the drug is effective?

To test the effectiveness of
a new drug, a researcher gives one group of individuals the new drug and
another group a placebo. Using a x2 test at a 0.1 level of significance,
determine if the researcher can conclude that the drug is effective?

Medication Effective Not effective

Drug 32 9

Placebo 12 18

a. Hypotheses

b. Expected counts

c. Test statistic

d.p-value

e. Conclusion


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