Please write the answer on paper and take photo of it(descriptive)

6.Suppose you are testing the null hypothesis that slope is not significant .From your sample of n=30 , you determine that b1=7 and S bi =2.4. What is the value of the t-test statistic ? At the a =0.05 level of significance , what are the critical values? What statistical decision should be made? Set up a 95% confidence interval estimate of the population slope for X2