Linear and exponential function best fit line for US Forever Postage Project

Linear and exponential function best fit line for US Forev
Linear and exponential function best fit line for US Forev
Linear and exponential function best fit line for US Forev
Linear and exponential function best fit line for US Forev
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In this project, students are asked to research the history of USPS and find historic data of US forever stamp prices for the past 50 years. They are asked to use the data to create a scatter/plot (time series) and create a line of best fit. They are asked to create both a linear model and an exponential model, and compare which of the two models is a better for the data collected. Then they would use the best fit line to make prediction of future postage.
Rubric of this project is also attached for your reference.
The document is editable.
BONUS: Self and peer evaluation form is included.
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Linear and exponential function best fit line for US Forev
Linear and exponential function best fit line for US Forev
Linear and exponential function best fit line for US Forev
Linear and exponential function best fit line for US Forev