Afrench teacher was interested in determining if a foreign language computer program could students learn better. she decided to randomly put students into two groups. one group would use the computer program and the other group would use traditional methods. the group that used the computer program scored an average of 84 on the first test. the other group that used traditional methods scored an average of 80 on the first test. she will use the information from these two groups to improve her teaching for all students that she sees. which of the following is true regarding the numbers "80" and "84"? a) both 84 and 80 are parameters. b) 84 is a statistic; 80 is a parameterc) 84 is a parameter; 80 is a statisticd) both 84 and 80 are statistics.