Which of the following is an example of a descriptive statistic?

Question

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Descriptive statistics summarize or describe the characteristics of a data set. The proportion of people who are female (C) is an example of a descriptive statistic because it describes a characteristic of the data without making inferences about a larger population. Choices A, B, and D involve inferential statistics, which are used to make predictions or inferences about a population based on a sample of data.

Which of the Following Is an Example of a Descriptive χ2 \chi^{2} χ2

Which of the Following Is an Example of a Descriptive $\chi^{2}$