What does a seasonal index represent

Assignment Help Management Theories

Reference no: EM131811059

Question: a. How do you compute the ratio-to-moving-average? Which components does it represent?

b. What do you do to the ratio-to-moving-average to produce a seasonal index? Why does this work?

c. What does a seasonal index represent?

d. How do you seasonally adjust a time-series value? How do you interpret the result?

Reference no: EM131811059

Questions Cloud

What kind of process has been fitted : Write the model in a way that shows how the next observation is determined from the previous one.

Compute and personalize the trend line : Compute the trend line and personalize it to find forecasts for 2 years into the future. Graph these forecasts along with the original data.

Find yearly data on a business or economic time series : Find yearly data on a business or economic time series of interest to you for at least 20 continuous years.

How is the moving average different from the original series : For trend-seasonal analysis, why do we use exactly 1 year of data at a time in the moving average?

What does a seasonal index represent : How do you compute the ratio-to-moving-average? Which components does it represent?

What kind of forecast does the linear trend represent : How is a linear trend estimated in trend-seasonal analysis? What kind of forecast does the linear trend represent?

What is a parsimony : How is the flexibility of the Box-Jenkins ARIMA process approach helpful in time-series analysis?

Forecast and forecast limits for a random noise process : Comment on the following: If it is a random noise process, then special time-series methods are not needed to analyze it.

What are the x and y variables in the regression model : What are the X and Y variables in the regression model to predict the next observation in a first-order autoregressive process?

User Account

All Pages