Given the following scenario: A teacher wants to determine whether using a new math game enhances learning. She takes her grade 4 class of 30 students and divides them into two groups, each with an equal number of strong and weak math students Group one plays the game before the next math test, while group two does not. She finds that 12 people in the first group have improved marks on their math test and 9 people in the second group have improved marks on their math test. a) identify the type of relationship; b) identify the variables; c) identify any common cause factor(s); d) identify any extraneous variable(s); e) identify the experimental group; f) identify the control group