Question: Regression Use regression to fit two straight-line models with two independent variables, CPI and foreign exchange rate. The dependant variable is the gasoline price in

Regression

Use regression to fit two straight-line models with two independent variables, CPI and foreign exchange rate. The dependant variable is the gasoline price in Vancouver. The raw data can be downloaded in Moodle Week 11.

Q22.1, Use the excel to getthe two fitted equations and write down.

Q22.2 CPI and foreign exchange rate, Which variable predicts gasoline price better for the sampled data? Why?

Forecast

Q22.3 Please Use the exponential smoothing to predict the gasoline price in thetwo months forward. (Use Excel data analysis smoothing and do prediction)

Q22.4 Besides the above two techniques, is there any other methods you can employ to do forecast? List the names.

Q22.5 From your spective, which method is better to predict the price of gasoline, why?

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