Please Use the data(bev) variable to answer the following questions:
(to get the data you need the library(tseries))
a. Plot the assigned variable and explain the series. Are you observing any trend or seasonality?.
b. Estimate a regression function of the assigned variable on a trend and seasonal indices.
c. Explain the estimated coefficients for the trend and seasonality. Can you conclude that the variable has a trend and seasonality?
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