13.4 PS The variables below were collected for a random sample of 10 electoral districts during the last federal election. Draw scattergrams and compute r and r 2 for each combination of variables and test the correlations for their significance.

Write a paragraph interpreting the relationship between these variables.

District Percentage Working-Class Unemployment Rate Voter Turnout A 50 10 56 B 45 12 55 C 56 8 52 D 78 15 60 E 13 5 89 F 85 20 25 G 62 18 64 H 33 9 88 I 25 0 42 J 49 9 36