Using the December follow-up data (listed below), is there a significant difference between School A children and School B children on their behavior checklist scores? (standard deviation for School A is 7.80, standard deviation for School B is 5.56). Compute as School A - School B at the .05 level of significance and show all 5 steps.
|
School A - December
|
School B - December
|
|
40
|
49
|
55
|
39
|
|
50
|
48
|
50
|
55
|
|
38
|
46
|
48
|
48
|
|
27
|
55
|
60
|
51
|
|
42
|
44
|
49
|
50
|