Please Define the Following Key Terms

question 58

Essay

Please define the following key terms. Show Who? What? Where? When? Why Important?
-Lydia Becker

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Definitions:

Sample Mean

The average of all the data points in a sample taken from a population.

Probability Sampling

A sampling method in which every member of the population has a known, non-zero chance of being selected, ensuring representativeness and allowing for the calculation of sampling error.

Systematic Sampling

A probability sampling method in which we randomly select one of the first k elements and then select every kth element thereafter.

Sample Proportion

The fraction of the sample that represents a particular outcome or characteristic.