Biostatistics Exam 1 Questions with
100% correct answers A+ rated
Data - correct answer ✔✔numbers that are gathered by some process, either measuring or counting
Statistics - correct answer ✔✔the field of study concerned with gathering, organizing, summarizing and
analyzing data
Major Sources of Data - correct answer ✔✔1- Routinely kept records
2- Run surveys
3- Run experiments
4- External sources
Variable - correct answer ✔✔measurement or count that changes from one element to the next. It can
be quantitative (measured or counted) or qualitative (ranked)
Random Variable - correct answer ✔✔a variable that does not depend on the previous count or measure
Population - correct answer ✔✔set of all elements that are in the interest of the researcher
Sample - correct answer ✔✔a subpopulation gathered by some method from the population
Measurement - correct answer ✔✔process of assigning a number to an element of a population by
some rule
Nominal Scale - correct answer ✔✔categories given unranked numbers
(ex: names)
100% correct answers A+ rated
Data - correct answer ✔✔numbers that are gathered by some process, either measuring or counting
Statistics - correct answer ✔✔the field of study concerned with gathering, organizing, summarizing and
analyzing data
Major Sources of Data - correct answer ✔✔1- Routinely kept records
2- Run surveys
3- Run experiments
4- External sources
Variable - correct answer ✔✔measurement or count that changes from one element to the next. It can
be quantitative (measured or counted) or qualitative (ranked)
Random Variable - correct answer ✔✔a variable that does not depend on the previous count or measure
Population - correct answer ✔✔set of all elements that are in the interest of the researcher
Sample - correct answer ✔✔a subpopulation gathered by some method from the population
Measurement - correct answer ✔✔process of assigning a number to an element of a population by
some rule
Nominal Scale - correct answer ✔✔categories given unranked numbers
(ex: names)
