help with quiz

Ha QU X b A: Q ST | W Z CH TWOCOG RC DM | Th (1 https://elearning.salemstate.edu/courses/1360130/quizzes/2287569 29 Group 1: A sample of 60 retirees was asked how many people they know who have ever been the victim of any type of crime. The mean was 8 with a standard deviation of 2.5. ents incorrect Question 1 0 / 1 pts What is the Standard Error of the Mean? 0.32 0.96 Ins 1.96 ations You need more information iscoverIncorrect Question 10 0 / 1 pts What is the margin of error for this problem? 0.126 26 134 0.145Incorrect Question 2 0 / 1 pts What are the degrees of freedom for this problem? 59 61 2.5Incorrect Question 3 0 / 1 pts Looking at the chart Critical Values of T for a two-tailed test, what is the critical value for the 95% Confidence Interval? 1.98 1.96 2.00 2021Question 4 1 / 1 pts When calculating the 95% Confidence Interval for a mean, what column do we use in the chart? 50 .05 10 01Statistics Chemistry Exam I Mean 81 62 Standard Deviation 3.25 22 Incorrect Question 5 0 / 1 pts What is the z-score for a statistics student who gets an 87? 1.85 -1.85 196 1.54Question 6 1 / 1 pts What is the z-score for a Chemistry student who gets a 71? 1.17 -1.17 1.85 0 15x b As: O STA b Wh | Z-s b Loc ) t-D cha CJ Cou ring.salemstate.edu/courses/1360130/quizzes/2287569 A sample of 60 retirees was asked how afraid they are of being victimized on a scale of 1-10. The average score was a 6.7 with a standard deviation on 1.35 Incorrect Question 7 0 / 1 pts What is the standard error of the mean? 0.17 . 0.64 0.41 7.75Incorrect Question 8 0 / 1 pts Fill in the blank for the critical value of t based on the above problem: The 95% CI = Mean +/- (SP) 1.96 2.021 2:00 2 58Incorrect Question 9 0 / 1 pts What is are the degrees of freedom for this problem? 60 59 61