The Two Samples Whose Statistics Are Given in the Table $$\begin{array} { | c | c | c | } \hline n & \text { Mean } & \text { SD } \\\hline 50 & 22 & 3 \\\hline 55 & 25 & 4 \\\hline\end{array}$$

question 37

Multiple Choice

The two samples whose statistics are given in the table thought to come from populations with
Equal variances. What is the pooled estimate of the population standard deviation? $$\begin{array} { | c | c | c | } \hline n & \text { Mean } & \text { SD } \\\hline 50 & 22 & 3 \\\hline 55 & 25 & 4 \\\hline\end{array}$$

• A) 3.50
• B) 3.56
• C) 1.87
• D) 5.00
• E) 3.52

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Definitions:

Glasgow Coma Scale

A clinical scale used to assess the consciousness level of a person after a brain injury, based on responses to stimuli.

Coma

A state of deep unconsciousness that lasts for a prolonged period, from which the patient cannot be awakened, often resulting from injury or illness affecting the brain.

Bilingualism

The ability to understand and use two languages proficiently, often associated with numerous cognitive and social benefits.

North America

A continent located in the Northern Hemisphere and almost entirely within the Western Hemisphere, including countries such as the United States, Canada, and Mexico.