Statistics and Types of Statistics: l How is the field of statistics defined? (Green box P. 2) o Ans: What are decisions made based on statistical analyses called? o Ans: What are the two types of Statistics? How is each defined? o Ans: Define Population and Sample and illustrate each with an example o Ans: Define an Element, and state what other name is given to it. o Ans: How is probability defined, and how does it relate to the two types of statistics? o Ans: Basic Terms: What are the other names given to an element in this section? o Ans: Explain what a variable is, what an observation is, and what a data set is. o Ans: Types of Variables: What is a Quantitative Variable? o Ans: What are the two types of Quantitative Variables? o Ans: Describe each type of Quantitative Variable. o Ans: Give an example of each type of Quantitative Variable. o Ans: What is a Qualitative Variable, and by what other name are these variables called? o Ans: Give an example of a Qualitative Variable. o Ans Cross-Section Versus Time-Series Data What is Cross-Sectional Data? Define it and give an example. o Ans: What is Time-Series Data? Define it and give an example. o Ans