[Using Sakai] Edit option for published quizzes

[Biku Shrestha]

How do we get an edit option for published quizzes (similar to the one  below)? Our Sakai (version 2.9.2) does not have that option.
http://sakaitutorials.unc.edu/module_build.php?tag=tests&page=Edit%20Published%20Assessments

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Thank you.
Biku
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