(b) [6 points] Conduct a test of the hypothesis that tax bills have not increased from 2013 to 2016, using the data above. Use a significance level of a = 0.05. i. Null hypothesis: ii. Significance Level: iii. Estimate: iv. Sampling Distribution: i. Shape ii. Mean iii. Standard Deviation v. t-statistic vi. Approximate p-value vii. Reject or fail to reject