A Simple Random Sample of 28 Observations Was Taken from a Large

question 15

Multiple Choice

A simple random sample of 28 observations was taken from a large population. The sample mean equaled 50. Fifty is a

• A)population parameter
• B)biased estimate of the population mean
• C)sample parameter
• D)point estimate

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Definitions:

Primary Structure

The sequence of amino acids in a protein, determining its structure and function.

Normal Distribution

A bell-shaped curve that describes the spread of a variable where most observations cluster around the central peak and the probabilities for values farther from the mean taper off symmetrically.

Probability

Probability measures the likelihood of a given event occurring, ranging from 0 (impossibility) to 1 (certainty).

Cluster Sample

A sampling technique where the population is divided into groups, or clusters, and a sample of these clusters is selected to represent the population.