) For each of the following, identify the type of t-test to be used and justify

) For each of the following, identify the type of t-test to be used and justify your answer.
a) Comparing Before and After a workout
b) Comparing Twin siblings
c) Comparing Morning and Evening classes
d) Comparing Midterm and Final grades
e) Comparing violent cartoons with nonviolent cartoons on aggressive behavior
f) Comparing light painted rooms with dark painted rooms on testing
g) Comparing modern and classical music on study effectiveness
h) Comparing biological and behavioral therapies on symptom mitigation