Exhibit 21-2 A Simple Random Sample of 43 Elements Has Been Selected

question 25

Multiple Choice

Exhibit 21-2
A simple random sample of 43 elements has been selected from a population of size 800. The sample mean is 500, and the sample standard deviation is 60.
-Refer to Exhibit 21-2. The population total is

• A)34,400
• B)21,500
• C)400,000
• D)500,000

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Definitions:

Semantic Memories

Long-term memory processes that store general world knowledge, facts, concepts, and meanings about words and objects.

Hippocampus

A major component of the brain located in the temporal lobe, primarily responsible for memory formation and spatial navigation.

Basal Ganglia

Groups of neurons located deep within the cerebral hemispheres involved in controlling movement and coordination.

Distributed Practice

A learning strategy that involves spreading study sessions out over time, which has been shown to improve long-term memory retention.