Question: How do I place this in excel as well? A store managers wishes to forecast the weekly number of television sets sold. Calculate the error

How do I place this in excel as well?

A store managers wishes to forecast the weekly number of television sets sold. Calculate the error for each of the following forecasts, the MAD and the MSE. Be sure to show the entire table in the work area of the template.

PeriodValueForecastError

1 202

2 191202

3 173192

4 169181

5 171174

6 175172

7 182174

8 196179

9 204189

10 219198

11227211

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