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San Diego State University Operations And Supply Chain Management Assignment Help - Data


Question - Air pollution control specialists in southern California monitor the amount of ozone, carbon dioxide,
and nitrogen dioxide in the air on an hourly basis. The hourly time series data exhibit seasonality, with
the levels of pollutants showing similar patterns over the hours in the day. On July 15, 16, and 17, the
observed levels of nitrogen dioxide in a city’s downtown area for the 12 hours from 6:00 A.M. to 6:00
P.M. were as follows:

a. Identify the hourly seasonal indexes for the 12 hourly daily readings.
b. Based on the seasonal indexes in part (a), the trend equation developed for the deseasonalized
data is Tt = 32.983 + 0.3922t. Using only the trend equation, develop forecasts for the 12 hours for
July 18.
c. Use the s ...Read More

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