Level of Significance Degrees of One-sided 10% 5% 2.50% 1% 0.50% Freedom Two-sided 20% 10% 5% 2% 1% 1 3.078 6.314 12.706 31.821 63.657 2 1.886 2.92 4.303 6.965 9.925 345. 3 1.638 2.353 3.182 4.541 5.841 4 1.533 2.132 2.776 3.747 4.604 5 1.476 2.015 2.571 3.365 4.032 2222225 20 1.325 1.725 2.086 2.528 2.845 21 1.323 1.721 2.08 2.518 *2.831 1.321 1.717 2.074 2.508 2.819 23 1.319 1.714 2.069 2.5 2.807 24 1.318 1.711 2.064 2.492 2.797 1.316 1.708 2.06 2.485 2.787 B 60 60 1.296 1.671 2 2.39 2.66 120 1.289 1.658 1.98 2.358 2.617 8 (Normal) 1.282 1.645 1.96 2.326 2.576 Conduct the steps of the hypothesis test for the following case: Two-sided test, 5% significance level, 25 degrees of freedom, estimated coefficient = 2.5, estimated standard error = 1.25 Choose the level of significance and obtain the critical value.