Finals- Based On Study Guide!

After measuring two individuals, a researcher can say that Tom's score is greater than Bill's, but cannot specify how much greater. The measurements must come from a(n) ____ scale. {Ans: } ordinalFor the following scores, what is ∑(X + 1)2? Scores: 0, 1, 4, 2 {Ans: } 39How would the following mathematical operation be expressed in summation notation? "Add two points to each score, square the resulting value, then find the sum of the squared numbers." {Ans: } ∑(X + 2)2Refer to Exhibit 2-1. How many individuals had a score of X = 5? X f 5 1 4 1 3 4 2 2 1 2 {Ans: } 1What is the real lower limit of 108? {Ans: } 107.5For a negatively skewed distribution with a mode of X = 25 and a median of 20, the mean is probably _____. {Ans: } less than 20Which of the following is true for a normal symmetrical distribution? {Ans: } the mean, median, and mode are all equalA population with a mean of μ = 6 has ΣX = 42. How many scores are in the population? {Ans: } N = 7In a population of N = 10 scores, the smallest score is