Tests for Adverse Reactions to a New Drug Yielded the Results

question 14

Multiple Choice

Tests for adverse reactions to a new drug yielded the results given in the table.Use a 10% level of significance. $$\begin{array} { r | c c } & \text { Drug } & \text { Placebo } \\\hline \text { Headaches } & 11 & 7 \\\text { No headaches } & 73 & 91\end{array}$$ $x ^ { 2 }$ = 1.798; P-value = 0.1799 The data will be analyzed to determine if there is sufficient evidence to conclude that an association exists between the treatment (drug or placebo) and the reaction (whether or not headaches were experienced) .

• A)Do not reject the null hypothesis.Report that there is insufficient evidence to conclude that the distribution of headaches is uniform for the drug and placebo.
• B)Reject the null hypothesis.Report that there is sufficient evidence to conclude that treatment and reaction are dependent.
• C)Reject the null hypothesis.Report that there is insufficient evidence to conclude that treatment and reaction are dependent.
• D)Do not reject the null hypothesis.Report that there is sufficient evidence to conclude that treatment and reaction are dependent.
• E)Do not reject the null hypothesis.Report that there is insufficient evidence to conclude that treatment and reaction are dependent.

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Definitions:

Esters

Organic compounds derived from carboxylic acids where the hydrogen in the hydroxyl group is replaced by an alkyl or aryl group, often responsible for the aroma of fruits.

Transesterification

A chemical reaction in which an ester is transformed into another ester through the exchange of the alkoxy group.

Methyl Benzoate

An ester formed from methanol and benzoic acid, commonly used in perfumery and flavorings.

Sodium Ethoxide

A strong base formed by the reaction of ethanol with sodium metal, commonly used in organic synthesis.