at 1% and 10%? Explain your answer. [5 marks] b. Provide an interpretation of the estimated coefficients in Table 1. [5 marks] c. Explain the difference between ? and ?. [5 marks] d. Given that the critical value is equal to 1.96, test the null hypothesis : ? =0.5 versus the alternative hypothesis : ?*0.5 . Using the information provided in Table 1, perform a confidence interval at 5% significance level. [5 marks]