Practical Data Analysis with JMP®

Application

Now that you have completed all of the activities in this chapter, use the concepts and techniques that you've learned to respond to these questions.

1. Scenario: We'll continue to examine the World Development Indicators data in BirthRate 2005. This time we'll see if we can use a normal model to represent one or more variables.

   1. Complete the steps necessary to create a normal quantile plot for the Fertil column. Fertil is the mean number of children that women have during their child-bearing years in each country. Report on what you see in the graph and what you conclude about the suitability of a normal model.

   2. Consider a random variable X ~ N(2.993, 1.590). Such a variable has the same mean and standard deviation as Fertil. For Fertil ...