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:

Brownies

A square or rectangular chocolate baked treat that's dense and can be either fudgy or cakey in texture.

Sodium Bicarbonate

A chemical compound with the formula NaHCO3, commonly known as baking soda, used in baking, cleaning, and antacid preparations.

Baking Soda

A white crystalline compound used in baking as a leavening agent, known chemically as sodium bicarbonate.

Buttermilk

Originally the liquid leftover from churning butter, now often commercially made by adding bacteria to skim milk.