Portage Math 110 Statistics (Module 1) (Questions And Answers A+ Graded 100% Verified)

Portage Math 110 Statistics (Module 1) (Questions And Answers A+ Graded 100% Verified) Population Answer: The entire number of items in a large group sample Answer: a subset of the population statistical inference Answer: the process of using data from a sample to gain information about the population descriptive statistics Answer: uses numerical and graphical methods to explore data (e.g., look for patterns) compiled summary of the data analysis in numerical, tabular, or graphical form histogram Answer: summary count of items in each category in a single variable, in a tabular or graphical view average Answer: used as a measure to determine a central value or location from the data used index number Answer: most widely utilized numerical descriptive statistic - typically a compilation of several data sources and weighted to provide a consistent review of a measured variable experimental study Answer: the researcher manipulates one of the variables and tries to determine how the manipulation influences other variables observational study Answer: researcher collects information not by influencing the variables in the study, but by simply observing the variable in action (active or passive) data Answer: things about which information can be collected and analyzed (people, numerical information, geographical areas, etc.) data set Answer: an rectangular array of information that contains the various categories of data collected for a specific study element Answer: the individual and unique entry in a data set about which data has been collected, analyzed, and presented in the same manner variable Answer: a particular, measurable attribute that the researcher believes is needed to describe the element in their study observation Answer: All the information collected for each element in a study cross-sectional data Answer: data collected at the same or approximately the same point in time time series data Answer: data collected over several time periods statistics Answer: science of data collecting, classifying, summarizing, orga