TABLE 12-1
a Study Published in the American Journal of Public

question 72

Multiple Choice

TABLE 12-1
A study published in the American Journal of Public Health was conducted to determine whether the use of seat belts in motor vehicles depends on ethnic status in San Diego County. A sample of 792 children treated for injuries sustained from motor vehicle accidents was obtained, and each child was classified according to (1) ethnic status (Hispanic or non-Hispanic) and
(2) seat belt usage (worn or not worn) during the accident. The number of children in each category is given in the table below.
$$\begin{array} { l| c c } &\text {Hispanic }&\text {Non-Hispanic}\\\hline\text { Seat belta worn } & 31 & 148 \\\text { Seat belta not worn } & 273 & 377\end{array}$$
-Referring to Table 12-1, which test would be used to properly analyze the data in this experiment?

• A) Wilcoxon signed ranks test for two related populations
• B) Wilcoxon rank sum test for independent populations
• C) ?² test for independence
• D) ?² test for differences among more than two proportions

Comprehend encryption mechanisms and their importance in securing data.

Understand the impact and functionality of key protocols and technologies in facilitating internet communications and data transfer.

Understand the basic principles of cellular respiration, including the stages and their outcomes.

Recognize the role and conversion of key molecules like glucose, pyruvate, and ATP during cellular respiration.

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Definitions:

Customer Expectations

The set of beliefs or standards that customers hold regarding the future performance and delivery of products and services.

Dispatching

The process of sending goods or transporting them to an intended destination.

Work Release

A program that allows prisoners to work in the general community during the day while continuing to serve their sentence.

Descriptive Statistics

Statistical methods that summarize and organize data in an informative way, without drawing conclusions beyond the data itself.