Model
a Consumer Group Is Testing the Gas Mileage of 3

question 20

Essay

Model
A consumer group is testing the gas mileage of 3 different models of cars.Several cars were driven 1000 miles and the gas mileage was recorded in the following table.
$$\begin{array} { | c | c | c } \hline \text { Madel 1 } & \text { Model 2 } & \text { Madel 3 } \\\hline 22.6 & 19.6 & 25.3 \\\hline 20.9 & 22.3 & 21.6 \\\hline 23.6 & 20.5 & 20.5 \\\hline 21.9 & 17.0 & 24.6 \\\hline 22.0 & 17.6 & 22.7 \\\hline 21.1 & 19.2 & 20.5 \\\hline 18.7 & & 20.9 \\\hline\end{array}$$
-Using $\alpha$ = 0.05,state the conclusion.

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Definitions:

Plantwide Overhead Rate

A single rate used to allocate all of a plant's manufacturing overhead costs to its production activities based on a uniform cost-driver.

Cost Driver

An element that influences the expense of an operation or procedure to vary, utilized in activity-based costing for more precise cost allocation.

Support Department

An organizational unit that provides essential services, such as human resources or IT support, but does not directly contribute to the production of goods or services.

Direct Costs

Costs that are identified with and traced to a cost object.