Which represent a) Matched Pairs, and which represent b) Independent samples?

Which represent a) Matched Pairs, and which represent b) Independent samples?
1-Comparing the number of speeding tickets received by men to the number received by women
2-Comparing pain levels of a group receiving a placebo to a group receiving a medicine
3-Comparing pre-test scores before training to post-test scores
4-Comparing pain levels before and after treatment with magnetic therapy
 
“Looking for a Similar Assignment? Get Expert Help at an Amazing Discount!”

 

"Is this question part of your assignment? We Can Help!"

Essay Writing Service