In statistics, what is the collection of all observations or measurements on the variables called?

• A. $\text{Statistic}$
• B. $\text{Population}$
• C. $\text{Parameter}$
• D. $\text{Data}$

Answer: (D)

Verified step by step guidance

1. Understand the key terms involved in the problem: 'Statistic', 'Population', 'Parameter', and 'Data'.
2. Recall that 'Data' refers to the actual collection of all observations or measurements gathered from variables during a study or experiment.
3. Recognize that a 'Population' is the entire set of individuals or items that you want to study, but it is not the collection of observations itself.
4. Know that a 'Parameter' is a numerical summary or characteristic of a population, and a 'Statistic' is a numerical summary calculated from a sample of data.
5. Conclude that the term describing the collection of all observations or measurements on the variables is 'Data'.