A simple linear regression, y = 0 + 1 x + is estimated with

A simple linear regression, y = β₀ + β₁x + ε is estimated with time series data. The resulting residuals e and the time variable t are shown in the accompanying table.

a. Graph the residuals against time and look for any discernible pattern.
b. Which assumption is being violated? Discuss its consequences and suggest a possibleremedy.

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1 2 3 45 6 78 9 10 5-4 36 84 -53-2