A Researcher Wants to Investigate the Response of Students on a University

question 91

Multiple Choice

A researcher wants to investigate the response of students on a university campus to a plan to turn a grassy area into a parking lot. She plans to give a questionnaire to a random sample of students. It is likely that:

• A) her results would generalize to the population of interest to her
• B) she would not be able to generalize her results because she is using a convenience sample
• C) if she repeated the study with another random sample, she would get very different results
• D) her findings are not representative of the attitudes of students on the campus

---

Definitions:

Population Parameter

A numerical value that represents a characteristic of a population, such as the population mean or variance.

Expected Value

The mean of all possible values for a random variable, weighted by their respective probabilities.

Variance

A measure of the dispersion or spread of a set of data points, calculated as the average of the squared differences from the mean.

Point Estimator

A point estimator is a statistic used to estimate the value of an unknown parameter of a population.