G) find an 80% confidence interval for the change in crime rate when the percentage change in population is x=12%. round your answer to one decimal places. lower limits and upper limits. H) test the claim that the slope b of the population least-square line is not zero at the 1%level of significance. round your answer to three decimal places. t=

Paused 50 50 O 20 25 30 35 10 15 20 25 30 35 (c) Find the sample correlation coefficient r and the coefficient of determination. (Round your answers to three decimal places.) = 0.896 2 = 0.804 What percentage of variation in y is explained by the least-squares model? (Round your answer to one decimal place.) 80.4 (d) Test the claim that the population correlation coefficient p is not zero at the 1% level of significance. (Round your test statistic to three decimal places.) t = 4046 X Find or estimate the P-value of the test statistic. O P-value > 0.250 O 0.125