Jamal is interested in determining whether there is a connection between time spent watching television and PSYC 2231 course grades. He asks people, "How many hours did you spend watching television last week?" and then asks, "What is your percent score in 2231?" Both of these variables are positively skewed. What are the scales of his variables? Question 8 options: a) His first variable is ordinal; his second variable is ordinal. b) His first variable is interval; his second variable is interval. c) His first variable is ratio; his second variable is ratio. d) His first variable is interval; his second variable is ratio