This homework is made up of three questions and will count for $10\%$ toward the final grade.

Exercise $1[20$ pts$]$

Complete the information in Table $1$ below and comment on the results by basing your decision on the mean bias, the MAR, and the tracking signal.

$\backslash$table$[[$Period$,$Forecast,Actual,$(A\frac{t}{F}(t))-1,\frac{?}{\text{A}\text{b}\text{s}}\{(A\frac{t}{F}(t))-1\},$MAR,Tracking S$],[1,179,163,,,,],[2,217,240,,,,],[3,91,67,,,,],[4,51,78,,,,],[5,76,71,,,,],[6,438,423,,,,],[7,64,49,,,,],[8,170,157,,,,]]$

Table $1.$ Incomplete table to fill