Answers to Some Critical Questions

1718 Words Jan 14th, 2018 7 Pages
The purpose of statistical analysis is to describe and summarize information, to make predictions or generalizations, and to identify relationships and associations between variables. The two major types of statistics are descriptive and inferential. Descriptive statistics describes the data by summarizing into more understandable terms; inferential statistics make predictions about variables or a population based on observable trends. However, statistics are only as good as the numbers used in the formulas, and the presentation. For instance, if a study says product A is 25% better than product B, one might ask 25% better than what? Or 80% of all physicians use Product A is that 80% of those asked, 80% of all, or 80% of what? In American Earth, there is a notation in which the engineer explains, "When this road is built you'll get ten, twenty, thirty times as many tourists as you get now" (AE, 418). How is this proven? How many tourists travel there now, and where is the data that shows that a new road would increase tourism rates by 10-30 times, meaning 100-300%?
Statistics can be deceptive in the way they are presented, too. For instance, one recent…

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