Exhibit 7-12: an Investigator Is Studying the Effect of Two

question 101

Multiple Choice

Exhibit 7-12: An investigator is studying the effect of two physical fitness programs (M and N) on boys and girls.The experimental design is a 2 * 2 factorial design.The results of the investigation might be one of the following four conditions.
$\begin{array}{l}\begin{array}{lll}&\text { Condition (a) }\\&\mathrm{M} & \mathrm{N} \\\text { Boys }&\mathrm{X}=50 & \mathrm{X}=60 \\\text { Girls }&\mathrm{X}=60 & \mathrm{X}=50\end{array}\begin{array}{lll}&\text { Condition (b) }\\&\mathrm{M} & \mathrm{N} \\\text { Boys }&\mathrm{X}=50 & \mathrm{X}=60 \\\text { Girls }&\mathrm{X}=40 & \mathrm{X}=60\end{array}\end{array}$

$\begin{array}{l}\begin{array}{lll}&\text { Condition (c) }\\&\mathrm{M} & \mathrm{N} \\\text { Boys }&\mathrm{X}=50 & \mathrm{X}=40 \\\text { Girls }&\mathrm{Y}=60 & \mathrm{Y}=50\end{array}\begin{array}{lll}&\text { Condition (d) }\\&\mathrm{M} \quad\quad\quad\quad\quad\quad\quad\quad \mathrm{N} \\&\text { None of these condition }\\\\\end{array}\end{array}$

-What is the relationship between the standard deviation of a population and the standard deviation of means of samples randomly selected from the population?

Identify the reasons for evaluating data before statistical analysis.

Understand the role of frequency distribution tables in presenting data.

Distinguish between reasons for and against examining data in research.

Understand the concept of outliers and their importance in data analysis.

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Definitions:

Diplomatic Relations

The formal interactions and communications between two or more countries' governments, typically involving ambassadors and embassies, aimed at managing international affairs.

Cuba

An island nation in the Caribbean characterized by its significant role in Cold War politics, its socialist government, and rich cultural heritage.

Unauthorized Military

Military or paramilitary operations conducted without official approval or recognition.

Peaceful Relations

The state or condition of being free from conflict or dispute between countries, groups, or individuals, often achieved through diplomacy and mutual agreements.