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Given the following data on hotel check-ins for a 6-month period:

July: 70 rooms

August: 105 rooms

September: 90 rooms

October: 120 rooms

November: 110 rooms

December: 115 rooms

a) What is the 3-month weighted moving average forecast for January, using weights of 3, 2 and 1, with the heaviest weight being applied to the most recent month?

110.8

114.2

115

115.8

b) With alpha = 0.2, determine the exponential smoothing forecast for October, November and December? Assume the forecast for July was 80 rooms.

FOR THE FORECAST VALUE, give answer to two decimal places

October

November

December

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