How created a data set based on this , student happiness is correlated with how many credits hours they are taking. You ask a random sample of 30 students to rate their current happiness on a 10-point scale (1=Not happy at all and 10=Extremely happy) and then you ask the same 30 students how many credit hours they are taking. Data Set 2: Make up a data set that shows a moderate (r should be -.34 to -.67), negative, linear correlation between students' happiness and the number of credit hours they are taking