Product Sales When the points in a scatter plot show a curvilinear trend rather than a
Chapter 10, Problem 3(choose chapter or problem)
Product Sales When the points in a scatter plot show a curvilinear trend rather than a linear trend, statisticians have methods of fitting curves rather than straight lines to the data, thus obtaining a better fit and a better prediction model. One type of curve that can be used is the logarithmic regression curve. The data shown are the number of items of a new product sold over a period of 15 months at a certain store. Notice that sales rise during the beginning months and then level off later on. Month x 1 3 6 8 10 12 15 No. of items sold y 10 12 15 19 20 21 21.Describe how the line fits the data.
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