1. Same as Problem 1a-1b, except substitute the following data: Student: H I J K L M Score on X:7 21 6 5 3 Score on Y: 7 6 12 4 3 10
2. Using a 10-point scale, two managers independently rate the performance of the same five salespeople. Salesperson: H I J K L Rating by first 9 4 5 3 5 manager (X): Rating by second 4 8 4 8 7 manager (Y):
(a) Construct a scatter diagram and determine the direction of the relationship.
(b) Compute r, using the raw-score method.
(c) What aspect of the managers' judgments does r measure?