A Sociologist Wants to Determine If the Life Expectancy of People

question 73

Multiple Choice

A sociologist wants to determine if the life expectancy of people in Africa is less than the expectancy of people in Asia. The data obtained is shown in the table below.
$\begin{array}{ll}\hline \text { Africa } & \text { Asia } \\\hline \bar{X}_{1}=63.3 \mathrm{yr} . & \bar{X}_{2}=65.2 \mathrm{yr} . \\\sigma_{1}=9.1 \mathrm{yr} . & \sigma_{2}=7.3 \mathrm{yr} . \\n_{1}=120 & n_{2}=150 \\\hline\end{array}$
What is the test value?

• A) -5.38
• B) -1.86
• C) -3.70
• D) -0.47

Analyze the role of economic signals in correcting market imbalances.

Understand the concept of mutually beneficial trades in the context of market efficiency.

Comprehend the importance of well-defined property rights in facilitating market transactions.

Recognize the conditions under which market failures occur and their impact on surplus.

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Definitions:

Positive Work Environment

A workplace that fosters employee well-being, productivity, and satisfaction through supportive management, a healthy work-life balance, and positive interpersonal relationships.

Social Support

The assistance provided by others, including emotional, informational, and practical help.

Encourage Training

The act of motivating or supporting individuals or employees to pursue or participate in educational programs or skills development.