Please help with these questions on this H/w ASAP please. Show working. Thanks.

Worksheet 15 Variability: Introduction to the Standard Deviation Riddle: According to Abraham Lincoln, how are vices and virtues related? DIRECTIONS: To find the answer to the riddle, write the answer to each question in the space immediately below it. In the solution section, the word in parentheses next to the answer to the first question is the first word in the answer to the riddle, the word beside the answer to the second question is the second word, and so on. 1. What symbol do statisticians use for the standard deviation? 2. What is the symbol for the deviation of a score from its mean? 3. To two decimal places, what is the standard deviation of these scores: 3, 5, 6, 7, 8? 4. To two decimal places, what is the standard deviation of these scores: 0, 2, 5, 9, 12? 5. According to the standard deviations, are the scores in Question 3 or Question 4 more variable? 6. If everyone in a population has the same score, what is the value of the standard deviation for those scores? 85