Ten years ago, the mean age of death row inmates was 57.9 according to the US Dept. of Justice. A sociologist wants to test whether that data is still accurate. He randomly selects 10 death row inmates and finds that their mean age is 75.3 with a standard deviation of 15.8. Use a 0.01 significance level to test the claim that the mean age of death row inmates is now different from m: 24/7 57.9, which was the mean age ten years ago. utoring Claim: Select an answer | which corresponds to Select an answer v Opposite: |Select an answer v which corresponds to Select an answer v The test is: two-tailed The test statistic is: 3.483 (to 3 decimals) The Critical Value is: 1 3.250 (to 3 decimals) Based on this we: Reject the null hypothesis v Conclusion There does appear to be enough evidence to support the claim that the mean age of death row inmates is now different from 57.9, which was the mean age ten years ago. Submit