Data Analysis The table shows the average sales (in millions of dollars) of an outerwear

Chapter 4, Problem 64

(choose chapter or problem)

Data Analysis The table shows the average sales (in millions of dollars) of an outerwear manufacturer for each month where represents January. (a) Create a scatter plot of the data. (b) Find a trigonometric model that fits the data. Graph the model with your scatter plot. How well does the model fit the data? (c) What is the period of the model? Do you think it is reasonable given the context? Explain your reasoning. (d) Interpret the meaning of the models amplitude in the context of the problem. True or False? 6

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