Describe different measures of central tendency and dispersion, how they are computed, and which are appropriate under what circumstance. Describe the concept of a Z-score and when they are useful. On...Describe different measures of central tendency and dispersion, how they are computed, and which are appropriate under what circumstance. Describe the concept of a Z-score and when they are useful. One of the fundamental activities in statistics is creating models that can summarize data using a small set of numbers, thus providing a compact description of the data. In this chapter we will discuss the concept of a statistical model and how it can be used to describe data.
