PSYC 396 Lecture Notes - Lecture 6: Statistical Parameter, Continuous Or Discrete Variable, Qualitative Property
Document Summary
Scientists organize and summarize information such that the information is meaningful to those who read about the observations scientists made in a study. Applying statistics to organize and summarize information. : inferential statistics - something that gives a reasonable foundation for new decisions. Scientists use information to answer a question or make an actionable decision. Error / deviation - the probability at which a give measurement may occur. Applying statistics to interpret the meaning of the information. : a population is the set of all individuals, items, or data of interest. A characteristic (normally numerical) that describes a phenomenon is a population parameter. : a sample is a set of individuals, items, or data selected from a population of interest. A characteristic (normally numerical) that describes a phenomenon is a sample statistic. : mean difference - the difference between actual and predicted data, making scienti c observation.
