ABSTRACT
Summary and conclusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 397 Exercises . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 397
In Chapters 8, 9, and 10, we were concerned about the distribution of one random variable, its parameters, expectation, variance, median, symmetry, skewness, etc. In this chapter, we study relations among variables.
