If a Sample Is Selected from a Population,the Sample Mean

question 51

Multiple Choice

If a sample is selected from a population,the sample mean is essentially guaranteed to be different from the population mean.In general,the naturally occurring difference between a sample statistic and the corresponding population parameter is called ____.

• A)​type I error
• B)​type II error
• C)sampling error
• D)​inferential error

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Definitions:

Margin Of Error

An expression of the amount of random sampling error in a survey's results, representing the extent to which the sample results might differ from those of the actual population.

Confidence Interval

A range of values, derived from the sample data, within which we can say with a certain level of confidence that the true population parameter lies.

Sample Size

The number of observations or subjects used in a study or experiment, critical for determining the study's reliability and representativeness.

Population Deviation

Refers to the measure of dispersion from the mean in a population data set, indicating the average distance from the mean for all population values.