In Generalizing from a Sample, in Order to Achieve an Error

question 20

Multiple Choice

In generalizing from a sample, in order to achieve an error margin of plus or minus 3 percentage points at a confidence level of about 95 percent, what's the smallest random sample we can get away with, regardless of the size of the population?

• A)10 percent of the population
• B)100
• C)500
• D)1,000
• E)5,000

Understand the structural components of the nervous system and their specific functions.

Identify and explain the mechanisms behind impulse transmission within the nervous system.

Describe the role and function of the cerebrospinal fluid (CSF) in the nervous system.

Understand the principles of neural communication, including the all-or-none principle.

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Definitions:

Data Transfer

The process of moving information from one location to another, in other words, from register to register, from device to device, and so forth.

Compare

An instruction that compares the contents of two designated data memory locations of a programmable logic controller for equality or inequality.

Stored

Refers to data or information that has been saved in a memory device or storage medium for future use.

Words

In computing and digital systems, a fixed-sized piece of data handled as a unit by the instruction set or the hardware of the processor.