Need explain and answer , no excel please

The manager of a small health clinic would like to use exponential smoothing to forecast demand for laboratory services in the facility. However, she is not sure whether to use a high or low value of. To make her decision, she would like to compare the forecast accuracy of a high and low on historical data. She has decided to use an a=0.7 for the high value and a=0.1 for the low value. Week Given the following historical data, which do you think would be better to use? (Round answers to 2 decimal place, eg. 15.25) Demand (labrequirements) 333 2 367 3 328 366 5 350 OUW NA 386 Forecasts using a = 0.1, MAD Forecasts using a = 0.7. MAD Using provides a better historical fit based on the MAD criterion