Traffic Coordinator
a Traffic Coordinator for a Community Wishes to Determine

question 50

Essay

Traffic Coordinator
A traffic coordinator for a community wishes to determine whether or not there is any difference in the average age of female and male drivers involved in rear-end accidents.The hypothesis test is: H₀: $\mu _ { 1 } = \mu _ { 2 }$ (no difference in mean age)
H₁: $\mu _ { 1 } \neq \mu _ { 2 }$ (mean age is different)A random sample of males and females involved in rear-end accidents results in the following Minitab summary: $$\begin{array} { l c c c c c c } & \text { N } & \text { MEAN } & \text { MEDIAN } & \text { TRMEAN } & \text { STDEV } & \text { SEMEAN } \\\text { FEMALES } & 33 & 23.91 & 20.00 & 23.38 & 9.77 & 1.70 \\\text { MALES } & 38 & 28.87 & 28.50 & 28.44 & 9.67 & 1.57\end{array}$$
-What is the decision rule at the 0.025 level of significance?

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Definitions:

Adding Capacity

The process of increasing the ability of a system or process to produce output, either by adding resources or optimizing current ones.

Robust Design

A design that can be produced to requirements even with unfavorable conditions in the production process.

Production

The process of creating, manufacturing, or producing goods and services.

Assembly

The process of putting together individual components to form a complete product or unit.