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3 weeks ago
In an effort to decide if there is an association between the year of a postal increase and the new postal rate for first class mail, the data were gathered from the United States Postal Service. In 1981, the United States Postal Service changed their rates on March 22 and November 1. This information is shown in the table below.


Create a model to predict postal rates from the year.
Textbook 

Stats: Modeling the World


Edition: 4th
Authors:
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wrote...
3 weeks ago

= -19.93 + 0.01015( year)
wrote...
3 weeks ago
I appreciate what you did here, answered it correctly Smiling Face with Open Mouth
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