EHRD 391-Test 1 Questions and answers, 100% Accurate. VERIFIED.

EHRD 391-Test 1 Questions and answers, 100% Accurate. VERIFIED. Statistics - -A set of tools and techniques that are used for describing, organizing, and interpreting information or data -Making decisions with incomplete data Data - -A RECORD of an observation/event such as a test score, grade in class, or response time Data Set - -A COLLECTION of observations/events such as test scores, grades on a test, or response time Branches Of Statistics - ---- Descriptive Statistics - -Used to organize and describe the characteristics of a collection of data [Measure of Central Tendency (CT) and Measure of Variability] Inferential Statistics - -Used to make generalizations from a smaller group of subjects (a sample) to a larger group of subjects (population) Population - -A group of people that have at least one characteristic in common. The entire set to which you want to infer. Sample - -A subset of the population Statistic - -A summarized value of a sample Parameter - -A summarized