$1)$ Highlight the three major steps in project management

planning, scheduling, and controlling

$2)$ What is the primary purpose of forecasting to an operations manager?

analyze current and historical business data to discover trends and make predictions about future data based on past trends

$3)$ In what way does the manufacturer's definition of quality differ from that of the customer?

a manufacturer's definition of quality

$4)$ Dally, a proprietor of a small$-$scale enterprise vending ice cream at prominent sporting events in Bristol, RI$,$ endeavored to predict the forthcoming weekend's demand for ice cream utilizing data from previous sales.

Employing three different forecasting methodologies, he computed the mean square error $($MSE$)$ values, summarized in the table provided below.

Forecasting Method MSE

Moving average $378\mathrm{.}65$

Weighted moving average $197\mathrm{.}42$

Exponential smoothing $245\mathrm{.}13$

If Dally intends to make his forecasting decision solely based on the MSE values, which of the methods should he choose? Why?