Elementary Statistics Exam 1 || with 100% Accurate Solutions.

Statistic correct answers the science of collecting, describing, interpreting, and presenting data Descriptive statistics correct answers the collection, presentation, and description of data Inferential statistics correct answers the process of selecting a sample and using its information to make decisions and draw conclusions about the population Population correct answers the entire collection of individuals, objects, or events whose properties are to be analyzed in a study Sample correct answers A portion or subset of a population Parameter correct answers a numerical value or characteristic of the entire population Statistic correct answers a numerical value summarizing sample data Data value correct answers The value of the variable associated with one element of a population or sample. The value may be a number, word, or symbol Data correct answers The set of values collected for the variable from each of the elements that belong to the sample Experiment correct answers A planned activity whose results yield a set of data Variability correct answers Within a data set we always expect variability Variable (or response variable) correct answers characteristic of interest about each individual element of a sample or population Qualitative variable correct answers a variable that describes or categorizes an element of a population (also attribute or categorical variable) Nominal Variable correct answers A qualitative variable that characterizes or describes or names an element of the population. Arithmetic operations are not meaningful for data resulting from nominal variables, and order cannot be assigned to the categories Ordinal Variable correct answers A qualitative variable that incorporates an ordered position, or ranking Quantitative Variable correct answers A variable that quantifies an element of a population (also numerical variable)