Demonstrate understanding of how to calculate and interpret measures of central tendency; analyzes utility of various measures of central tendency on the basis of level of measurement and research question.
Collects data on home prices from real estate website, uses data to calculate and interpret mean, median, and mode. Identifies which measure is best for describing the “typical” home price. Answers provided on written assignment and discussed as a group.
Use measures of central tendency to reach conclusions about the shape of a distribution.
Draws shape of distribution (on written assignment and on board) given the values of the calculated mean and median. Identifies outliers.
Practice entering data into SPSS and using that data to generate basic statistics and figures
Creates SPSS data file containing a scale variable for home price. Uses Frequency commands to generate mean, median, and mode. Compares to values produced by hand. Generates histogram and compares to estimated shape of distribution.