please answer the question. last person didnt even do the calculations or anything correct!

thank you!

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 a. To make her decision, she would like to compare the forecast accuracy of a high and low a on historical data. She has decided to use an a=0.7 for the high value and a=0.1 for the low value. Given the following historical data, which do you think would be better to use? (Round intermediate calculations to 4 decimal places, e.g. 15.2516. Round answers to 2 decimal place, e.g. 15.25.) Forecasts using a=0.1,MAD