A randomization computer algorithm randomly selected one of twenty supplemental questions to present to individuals as they completed the Sierra College online application process last month. One of these questions asked applicants to rate their study skills as either Excellent, Good, Fair, or Poor. The following data were generated in response to this question.

Good, Good, Good, Excellent, Good, Good, Fair, Good, Good, Fair, Good, Poor, Excellent, Good, Fair, Good, Fair, Good, Good, Good, Good, Good, Good, Fair, Good, Good, Good, Good, Excellent, Fair, Good, Good, Fair, Good, Good

(a) Identify the method of sampling used to collect this data.

(b) Construct a percentage distribution table with this data.

(c) Use appropriate descriptive statistical methods to describe the important characteristics of the data collected.