This question has several parts that must be completedsequentially. If you skip a part of the question, you will notreceive any points for the skipped part, and you will not be ableto come back to the skipped part.
Test the null hypothesis that the slope is zero versus thetwo-sided alternative in each of the following settings usingthe ? = 0.05 significance level.
(a)n = 20, ? = 24.5 +1.6x, andSEb1 = 0.75
(b)n = 30, ? = 30.1 +2.7x, andSEb1 = 1.35
(c)n = 100, ? = 29.4 +2.7x, andSEb1 = 1.35
