Instruction 11-3
as Part of an Evaluation Program, a Sporting

question 148

Short Answer

Instruction 11-3
As part of an evaluation program, a sporting goods retailer wanted to compare the downhill coasting speeds of four brands of bicycles. She recorded three trials of each brand and determined their maximum downhill speeds. The results are presented in kilometres per hour in the table below.
$$\begin{array} { | l | l | l | l | l | } \hline \text { Trial } & \text { Barth } & \text { Tornado } & \text { Reiser } & \text { Shaw } \\\hline 1 & 43 & 37 & 41 & 43 \\\hline 2 & 46 & 38 & 45 & 45 \\\hline 3 & 43 & 39 & 42 & 46 \\\hline\end{array}$$
-Referring to Instruction 11-3,in testing the null hypothesis that the average downhill coasting speeds of the four brands of bicycles are equal,the value of the test statistic is ________.

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Definitions:

Conversion Costs

The combined costs of direct labor and manufacturing overheads, which are incurred to convert raw materials into finished products.

Equivalent Units

A concept used in process costing that converts partially completed goods into a number of fully completed units.

Weighted-Average Method

A method of inventory valuation that assigns a cost to inventory on the basis of the average cost of all similar items in the inventory.

Direct Materials

Raw materials that are directly traceable to the manufacturing of a specific product and included in its cost.