NOT WITH EXCEL ON PAPER FORMULAS PLEASE $.$Daily high temperatures in St$.$ Louis for the last week were as follows: $93,94,93,95,96,88,90($yesterday$).$ a$.$ Forecast the high temperature today, using a $2-$day moving average.

b$.$ Calculate the mean absolute deviation based on a $2-$day moving average.

c$.$ Compute the mean squared error for the $2-$day moving average.

d$.$ Calculate the mean absolute percent error for the $2-$day moving average.