Concept of decomposing a time series

1. Explain the concept of decomposing a time series

2. Explain when a multiplicative decomposition may be more appropriate than an additive decomposition

Don't use plagiarized sources. Get Your Custom Essay on
Concept of decomposing a time series
Just from $13/Page
Order Essay

A large resort near Portland, Maine, has been tracking its monthly sales for several years but has never analyzed these data. The resort computes the seasonal indexes for its monthly sales.Which of the following statements about the index are correct?

a. The sum of the 12 monthly index numbers, expressed as percentages, should be 1,200.

b. An index of 85 for May indicates that sales are 15% lower than the average monthly sales.

c. An index of 130 for January indicates that sales are 30% above the average monthly sales.

d. The index for any month must be between zero and 200. e. The average percent index for each of the 12 months should be 100.

Place Order
Grab A 14% Discount on This Paper
Pages (550 words)
Approximate price: -
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Try it now!

Grab A 14% Discount on This Paper

Total price:
$0.00

How it works?

Follow these simple steps to get your paper done

Place your order

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Receive the final file

Once your paper is ready, we will email it to you.