Statistics Questions & Answers

Statistics Questions & Answers A group of subjects to which researchers apply a treatment in an experiment - ANSWER: Treatment group A market researcher interviews each member from each of the five randomly chosen neighborhoods throughout a city. - ANSWER: Cluster Sampling A response to the power of suggestion, rather than the treatment itself, by participants of an experiment - ANSWER: Placebo effect A study in which data are obtained from every member of the population - ANSWER: Census A substance that appears identical to the actual treatment but contains no intrinsic beneficial elements - ANSWER: Placebo A tablet containing no actual medicine is an example of a _______. - ANSWER: Placebo A type of stratification in which certain characteristics of the population are preserved in the sample - ANSWER: Quota Sampling Branches of statistics - ANSWER: Descriptive and Inferential Ch 1: Population - ANSWER: Particular group of interest Classify the following data. Indicate whether the data is qualitative or quantitative, indicate whether the data is discrete, continuous, or neither, and indicate the level of measurement for the data. The IQ scores of students at the local college. Are these data qualitative or quantitative?