part B

Use exponential smoothing with $=0\mathrm{.}95$ to make a forecast for each month through November. What is the error $($Actual minus Forecast$)$ each month through October?

part C

Use FIT with $=0\mathrm{.}75$ and $=0\mathrm{.}2$ to make a forecast for each month through November. What is

the error $($Actual minus Forecast$)$ each month through October?