Na$$ve Forecast

Period Demand Forecast Error Abs Error MAPE Mean Abs $\%$ Error Sq Error U Stat Denominator

$182$

$26382$

$38163$

$48281$

$577$

$692$

$790$

$861$

$962$

$1053$

$1153$

$1269$

$1379$

$1456$

$1560$

$1693$

$1799$

$1882$

$1956$

$2094$

$1.$ What observations can you make about the demand pattern, just from looking at it$?$ Do you see any patterns?

$2.$ Is this forecast accurate? Is it biased? How did you draw this conclusion?

$3.$ Provide an interpretation for the MAPE $($Mean Abs $\%$ Error$).$ What does it mean in words?

$12345$

$25$

$50$

$75$

$100$

$125$

$150$

Demand