Chapter 7
Pinning Down Statistics and Probability
IN THIS CHAPTER
Creating visual representations of data
Exploring ways of analyzing data
Determining the probability of an event
Writing numbers in scientific notation
The probability of you becoming a statistician after you finish this chapter is about one out of infinity; that is, it’s not very likely to happen. Statistics is the study of simple, real-life facts and figures — like the number of students who passed or failed a math quiz or the number of people who access Facebook on their cellphone versus their computer. Statistical data can often be thought of as data that is analyzed, averaged, and displayed in tables and graphs.
The review in this chapter also focuses on probability, which deals with how likely something is to happen. So, we can easily say that you are likely to be asked to solve probability problems on the Praxis Core exam, given that we know that there are at least 11 real-life questions on the exam that deal with statistics and probability.
Representing Data
It’s time to plan a date with a collection of lots ...
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