What are the three tools used to assess variability? Group of answer choices mean, median, and mode range, standard deviation, and variance mean, standard deviation, and skewness variance, range, and mean Flag question: Question 2 Question 24 pts Which of the following symbols represents the individual score? Group of answer choices n x N Flag question: Question 3 Question 34 pts This is the value that best represents an entire group of scores. Group of answer choices mode percentile median average Flag question: Question 4 Question 44 pts ______ is the level of measurement where outcomes are based on some underlying continuum that also contains a true or absolute zero. Group of answer choices Ordinal Interval Ratio Nominal Flag question: Question 5 Question 54 pts Which of the following is one way to represent the standard deviation? Group of answer choices s s(2) s/n s2 Flag question: Question 6 Question 64 pts Which measure of variability is easiest to calculate? Group of answer choices variance range mode standard deviation