the above is the regression result between the Australian monthly unemployment rate (UNEMP, independent

variable) and monthly interest rate (INTEREST, dependent variable). Both data series are in percentages.

What is the 90% condence interval for the coecient of UNEMP?

Note: Refer to the t-distribution table for critical values

a. (-1.673

-0.792)

b. (-1.763

-0.702)

c. (-1.934

-0.531)

d. (6.658

12.510)