College Every year US News and World Report publishes a special issue on many U.S. colleges and universities. The scatterplots below have Student/Faculty Ratio (number of students per faculty member) for the colleges and universities on the y-axes plotted against 4 other variables. The correct correlations for these scatterplots appear in this list. Match them. -0.98 -0.71 -0.51 0.09 0.23 0.69

Population is the entire collection of items of interest Parameter is a numerical value associated with population Census is a measurement obtained by every unit in a population Sample is a small part of the population meant to show patterns of the whole population Simple Random Sample (SRS) everyone has en equal chance of being selected for a sample Self Selected Sample (volunteer sample) you chose to participate Statistic is a piece of data from a study of a quantity of numerical data Sampling error is an error that comes from a random fluctuation Non-sampling error is when data is collected, recorded or analyzed incorrectly Types of variable 1. Qualitative or categorical (non numerical data) a. Nominal- 2 or more categories with no intrinsic ordering to the