Using the Data Shown Below, Compute the Mean Square Error

question 47

Essay

Using the data shown below, compute the mean square error, mean absolute deviation, and mean absolute percentage error for the forecasts shown.
$$\begin{array} { c c c } \text { Month } & \text { Forecast Demand } & \text { Actual Demand } \\\hline\text { April }& 170 & 180 \\\text { May } & 225 & 200 \\\text { Jure } & 210 & 200 \\\text { July } & 260 & 240 \\\text { August } & 200 & 230\end{array}$$

---

Definitions:

Strings

Strings are sequences of characters used to represent text in computer programming.

Scanf()

A function in C programming used to read formatted input from the keyboard or other input streams.

Gets()

Gets() is a function in C that reads a line from stdin into the buffer pointed to by its argument until a terminating newline or EOF.