Stats Exam 1 Pierson Questions and Answers

Which of the following would be used to describe the type of statistical methods used to organize and describe the characteristics of a collection of data? - ansDescriptive statistics ___________ statistics involve collecting, organizing, and summarizing data. - ansDescriptive If your professor tells you, "if you don't start with reliable data, you'll end up with unreliable results," what does he/she mean? - ansGarbage in, garbage out. _______ statistics are often (but not always) the next step after you have some basic understanding of data. - ansInferential What is the small subset of the population from whom you collect data called? - ansSample ________ is to smaller group of data as population is to larger group of data. - anssample Descriptive and inferential statistics work hand in hand, and which one you use and when depends on: - ansThe question you want answered Inferential statistics is most often used for which of the following? - ansInterpreting data Who popularized the use of the correlation coefficient? - ansFrancis Galton