In the summary video of week4 the tree chart ,
the quantitative and qualitative has been misplaced
We’ve acknowledged it, will make changes to the slides soon.
Thanks a lot for letting us know 
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Looks issue not solved yet, i confussed finaly what lecturer said at lost in week4, i corrected my notes later, i went to starting lesson i realized that summary is wrong.
We are learners this makes so much difference.
pls correct soon…!
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