9. Analysis of Trends and Patterns
Section 1 Introduction
Patterns and trends are found very frequently in the physical and social sciences, as well as in mathematics. When they occur it is often useful to identify them precisely because they pave the way for predictions about future events. For example, here is the pattern of average minimum temperatures for certain months in New York City.
| Year | 1973 | 1974 | 1975 |
| Month | Jan. Apr. July Oct. | Jan. Apr. July Oct. | Jan. Apr. July Oct. |
| Temp. Fahr. | 30 47 66 49 | 29 44 68 46 | 32 40 68 53 |
Based on this pattern, approximately what would you expect the average minimum temperatures to be for January, ...
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