Six students are selected at random and provided an overview of an assessment of its rational, length, question format, and so on. The remaining five students are not given the overview. The scores are:<br>
overview provided: 20, 18, 14, 22, 16, 16<br>
no overview provided: 11,15,16,13,9<br>
a. set up H0 and H1<br>
b. perform test at alpha = 0.01<br>
c. draw final conclusion.
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