Questions (Frequently Tested) with
Verified Answers
Statistics - Answer: Encompasses the mathematical field that allows us to organize, summarize,
describe, and interpret different forms of information
Data (datum) - Answer: Small and large sets of information
What are statistics important? - Answer: 1) allows data to be described and communicated
succinctly and concisely
2) means by which researchers communicate their work with one another and the general
public, clear and understandable
3) allow inferences to be drawn about data, particularly when it is not feasible to collect info
from all members of a certain group
4)equip us with the necessary tools needed to make everyday decisions
Variable - Answer: Measurable characteristics that can vary in value
Qualitative variable - Answer: Non-numerical terms, using labels or categories (religion,
ethnicity, eye color, career)
Quantitative variable - Answer: Measured in numerical terms (weight, height, hr rate, test score)
Discrete variable - Answer: quantitative variable that is organized by whole numbers (0,1,2,3...)
(number of people, children, animals)
independent variable - Answer: Variable that is manipulated in an experiment