**This is posted on behalf of LilDragonfly**.

Attached is a data set called "Retail Footware Sales in New Zealand March 1991 to December 2000".

Use this data to answer the following questions:

1. Analyse this time series. This should include:

a) seasonally adjusting the data and interpreting the results in context

b) choosing a model to represent the recent trend using formal methods,

for example appropriate numerical calculations or least squares regressiosn

c) evaluating your model using residual analysis

2. Write a report on the analysis of this time series data. You should include:

the methods and results of your analysis and a discussion of the features of the series, how you could improve your model, limitations of your analsis.