Answer :

A parameter is the average age of all California college students.

Parameter describes the characteristic of the population. The population of college students in California can be characterized by their average age. Similar to a parameter, statistics describes sample data. The statistic will represent the sample mean of the 400 students from 10 colleges who were chosen at random.

A statistic is a number that describes a sample, whereas a parameter, such the population mean, is a number that describes the entire population (e.g., sample mean). Finding parameters helps quantitative research understand population features.

A subset of statistics called inferential statistics uses sample data to draw inferences about a population's characteristics as a whole. Confidence intervals and hypothesis testing are two examples of inferential statistics.

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