Ten Subjects Were Weighed Before and After a New Diet

question 12

Multiple Choice

Ten subjects were weighed before and after a new diet. The results were as follows. $$\begin{array} { l | c c c c c c c c c c } \text { Subject } & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 \\\hline \text { Before } & 151 & 183 & 222 & 176 & 193 & 202 & 150 & 200 & 178 & 190 \\\text { After } & 135 & 164 & 206 & 188 & 199 & 202 & 139 & 195 & 178 & 198\end{array}$$ a) Compute the test statistic b) Can you conclude that the median weight differs before and after the diet? Use the α = 0.05 level Of significance.

• A) a) S=11
• b)We cannot conclude that the weights before and after the diet are different.
• B) a) S=11
• b) We can conclude that the weights before and after the diet are different.
• C) a) S=10
• b) We cannot conclude that the weights before and after the diet are different.
• D) a) S=10
• b) We can conclude that the weights before and after the diet are different.

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Definitions:

Performance Evaluation System

A structured framework that systematically assesses and measures employee performance based on predefined criteria and objectives.

Bulk Purchase Discount

A reduction in price offered by suppliers to customers who buy large quantities of goods.

Lower Quality Materials

Substandard or inferior raw materials used in the production process, typically resulting in a lower cost and quality of the final product.

Direct Labor Wage Variance

The difference between the actual cost of direct labor and the expected (or standard) cost, used in budgeting and financial analysis.