An economist is interested to see how consumption for an economy (in billions) is influenced by gross domestic product ( billions) and aggregate price (consumer price index). Annual data from 30 years were collected. Which of the following would be the most appropriate analysis to perform?
A) Exponential smoothing
B) Multiple linear regression
C) Autoregressive modeling for trend fitting and forecasting
D) Simple linear regression
Question 2
A manager of a product sales group believes the number of sales made by an employee depends on how many years that employee has been with the company and how he/she scored on a business aptitude test. A random sample of 38 employees was selected to collect data on their number of sales, number of years with the company and scores on a business aptitude test. Which of the following would you perform to draw a conclusion on the belief?
A) One-way ANOVA B) Two-way ANOVA
C) Simple linear regression D) Multiple linear regression
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