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# lab 2 - MA118 Laboratory Project 2 Modeling union...

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MA118 Laboratory Project 2 Modeling union membership A mathematical model is a mathematical object (often a function or equation) which is used to represent and predict real-world data. In this lab, you're going to look at a mathematical model your text proposes for union membership data from 1920 through 1996, and look at how well it represents two things: the actual percent of union membership, and the changes in that percentage. (Very often, one is more interested in how such an index is changing than in its individual values.) The function your text proposes as a model for the percent of workers in unions for the years 1920 through 1996 is f(t) = 0.0003869*t^3 - 0.08917*t^2 + 6.2503*t - 105.9 where t is the number of years since 1900 . (Thus, f(75) represents the model's value of the percent of workers in unions in 1975.) Your lab will have 4 parts: 1. Enter the function above (you can simply use the copy, paste option, starting with the equals sign, after you've inserted the name t

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lab 2 - MA118 Laboratory Project 2 Modeling union...

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