Write the Word or Phrase That Best Completes Each Statement $\alpha = 0.05$

question 71

Short Answer

Write the word or phrase that best completes each statement or answers the question.
-A pharmaceutical company wishes to test a new drug with the expectation of weight reduction. Ten subjects are randomly selected and their weights are recorded. The subjects were placed on the drug for a period of 6 months, after which their weights were recorded again. The results are listed below. (All units are pounds.) Use the Wilcoxon signed-ranks test to test the company's hypothesis that the drug reduces weight. Use $\alpha = 0.05$ .
$\begin{array}{lcccccccccc}\hline \text { Subject } & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 \\\hline \text { Before } & 215 & 251 & 241 & 240 & 259 & 191 & 229 & 238 & 216 & 202 \\\text { After } & 200 & 246 & 249 & 230 & 254 & 191 & 199 & 220 & 214 & 187 \\\hline\end{array}$

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Definitions:

Variable Costs

Costs that vary directly with the level of production or business activity, such as materials and labor.

Operating Income

Earnings before interest and taxes (EBIT), representing the amount of profit realized from a business's operations.

Fixed Costs

Expenses that do not change with the level of output or production, such as rent, salaries, and insurance.

Variable Costs

Expenses that fluctuate based on the amount of products or services a company generates.