In a Controlled Laboratory Environment, a Random Sample of 10

question 85

Multiple Choice

In a controlled laboratory environment, a random sample of 10 adults and a random sample of 10 children were tested by a psychologist to determine the room temperature that each person finds
Most comfortable. The data are summarized below: $$\begin{array} { l c c } \hline & \text { Sample Mean } & \text { Sample Variance } \\\hline \text { Adults (1) } & 77.5 ^ { \circ } \mathrm { F } & 4.5 \\\text { Children (2) } & 74.5 ^ { \circ } \mathrm { F } & 2.5 \\\hline\end{array}$$ Find the standard error of the estimate for the difference in mean comfortable room temperatures
Between adults and children.

• A)1.6279
• B)0.7000
• C)0.1871
• D)0.8367

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Definitions:

Random Sampling

A statistical method for selecting a subset of individuals from a larger population in such a way that each individual has an equal chance of being chosen.

Market Researchers

Professionals who study consumer preferences, behaviors, and market trends to inform business strategies and product development.

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A publication that summarizes and analyzes news stories on a weekly basis, often covering a wide range of topics.

Sexual Stimulation

Any arousal of sexual desires or love, often leading to sexual activity.