Project #64790 - Business Statistics

QUESTION 1

Reference the models fit for the JCPenny dataset in slides 18 and 30 of the time series notes.

New Information: In quarter 1 of 2002 (period 25) the Sales in JCPenny were 7860.

Based on the time series model fit in Slide 18 (accounting for trend and seasonality) what is the residual for Sales in Quarter 1 of 2002.

 

 

QUESTION 2

Reference the models fit for the JCPenny dataset in slides 18 and 30 of the time series notes.

New Information: In quarter 1 of 2002 (period 25) the Sales in JCPenny were 7860.

Based on the time series model fit in Slide 30 (Estimated AR(1) Model) what is the predicted residual Sales in Quarter 2 of 2002 (period 26).

 

 

 

QUESTION 3

Reference the models fit for the JCPenny dataset in slides 18 and 30 of the time series notes.

New Information: In quarter 1 of 2002 (period 25) the Sales in JCPenny were 7860.

Based on the time series model fit in Slide 18 (accounting for trend and seasonality) what is the predicted Sales in Quarter 2 of 2002 (period 26).

 

 

QUESTION 4

Reference the models fit for the JCPenny dataset in slides 18 and 30 of the time series notes.

New Information: In quarter 1 of 2002 (period 25) the Sales in JCPenny were 7860.

Based on your calculations in the first 3 problems what is the updated forecast for the Sales in Quarter 2 of 2002 (period 26) based on trend, seasonality and the autocorrelation of the residuals

 

 

 

Here is slide 18 & 30.

Subject Business
Due By (Pacific Time) 04/03/2015 10:00 am
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