With a height of 64 in, Nelson was the shortest president of a particular club in the past century. The club presidents of the past century have a mean height of 75.5 in and a standard deviation of 2.2 in. a. What is the positive difference between Nelson's height and the mean? b. How many standard deviations is that [the difference found in part (a)]? c. Convert Nelson's height to a z score. d. If we consider "usual" heights to be those that convert to z scores between - 2 and 2, is Nelson's height usual or unusual? ed"a PR S a. The positive difference between Nelson's height and the mean is in b. The difference is |standard deviations ple (Type an integer or decimal rounded to two decimal places as needed.) c. The z score is (Type an integer or decimal rounded to two decimal places as needed.) d. Is Nelson's height usual or unusual? Usual O Unusual "Final AnsThe following are speeds (mi/h) of cars measured with a radar gun. Determine the 5-number summary and boxplot for the data given below. 70 70 71 71 72 73 73 74 75 76 77 78 79 79 80 The 5-number summary is OU (Use ascending order. Type integers or decimals.) Choose the correct boxplot of the data below. OA. B. 70 72 74 76 78 80 70 72 74 76 78 30 O C. OD. Ans 70 72 74 76 78 80 70 72 74 76 73 30Find the third quartile Q of the list of 24 sorted values shown below. 31 33 34 36 36 36 37 38 40 42 43 43 44 44 47 48 48 59 63 66 66 67 73 76 - The third quartile Q, is 60 . (Type an integer or a decimal. )