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TABLE 2-1
An insurance company evaluates many numerical variables about a person before deciding on an appropriate rate for automobile insurance. A representative from a local insurance agency selected a random sample of insured drivers and recorded, X, the number of claims each made in the last 3 years, with the following results.
-Referring to Table 2-1, how many drivers are represented in the sample?
Selection Process
The method by which individuals are screened and chosen for roles or tasks.
Samples
A subset of individuals or observations drawn from a population, used to make inferences or hypotheses about the population as a whole.
Population Variances
A measure of the spread or distribution of a set of data points in a population, indicating how much the values differ from the mean.
Estimate
An approximation or informed guess of a quantity or value when the exact number is unknown or uncertain.
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