A Regression Was Performed on a Sample of 16 Observations $\beta$

question 9

Essay

A regression was performed on a sample of 16 observations. The estimated equation is . The standard errors for the coefficients are S_b1 = 4.2, S_b2 = 5.6, and S_b3 = 2.8. For this model, SST = 3809.6 and SSR = 3285.4.
a.Compute the appropriate t ratios.
b.Test for the significance of $\beta$ ₁, $\beta$ ₂and $\beta$ ₃at the 5% level of significance.
c.Do you think that any of the variables should be dropped from the model? Explain.
d.Compute R² and R_a². Interpret R².
e.Test the significance of the relationship among the variables at the 5% level of significance.

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Definitions:

Currency Control

Government policies or regulations that restrict the exchange of the domestic currency for foreign currencies.

Fixed Exchange Rate

A government or central bank policy that pegs the country's currency to another currency or to a reference value, such as gold, and does not allow it to fluctuate freely in the Forex market.

Extremism

The holding of extreme political or religious views and the actions taken to support or achieve them.

Trade Control

Government-imposed restrictions on the free exchange of goods and services between countries, including tariffs, quotas, and import licenses.