.Consider the quarterly sales data for Kilbourne Health Club shown below (7 points)

Quarter

Year 1 2 3 4

1 4 2 1 5

2 6 4 4 14

3 10 7 6 16

4 12 9 7 22

5 18 13 10 27

a) Determine the best forecasting method based on the given quarterly sales data, and explain why.

b) What is the forecast of sales for quarter 3 of week 7 ?

(Do not round intermediate calculations. Round your answer to two decimal places).

.A small airplane company called Just In Time flies between cities in Florida. It is trying to decide whether to add one extra plane to its fleet next year. Passenger demand that last four quarters are as follows: Q1 = 4,403, Q2 = 4,008, Q3 = 3,750, and Q4 = 4,508 passengers.

Do not round intermediate calculations. (7 points)

What is the forecast for the fifth month using exponential smoothing with = 0.1?

(Round your answer to two decimal places) =4322.74

What value of should be used to make the most accurate forecast using exponential smoothing (Round your answers to two decimal places)?