midterm1-review

midterm1-review - Review Mid term 1 This is not an...

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Review:’Mid-term’1’ This’is’not’an’exhaus7ve’documenta7on’and’ there’may’be’ques7ons’in’the’exam’from’ topics’not’men7oned’here.’
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Some’Correc7ons’into’Class’materials’ v Lecture’6-±:’slide’no’18,’Problem’5;’ ’“ Var(X+Y)’is’lower’if’the’stock’returns’X’&’Y’are’ nega7vely’correlated.”’ v Lecture’9:’New’slide’added’at’21’ (the’same’slide’is’also’provided’here’in’this’review’slides)’ v Sample’Mid-term1:’ ’Answer’to’problem’13’is’B’not’A.’ (Thanks’to’Jai’ Dolwani’&’Vincent’Pun’for’poin7ng’this’out).’ In’Problem’5:’the’popula7on’has’ i.i.d.’members.’
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Informa7on’about’Midterm’ v Bring’Calculator’ (non-scien7Fc/scien7Fc)’ v No’calcula7ons’involving’samples.’ (for’example,’I’will’not’be’giving’you’calcula7ons’like’Fnding’the’variance’of’10’ given’numbers’or’to’Fnd’the’correla7on’between’10’pairs’of’numbers,’because’ these’ can’ be’ done’ very’ easily’ with’ a’ scien7Fc’ calculator’ but’ takes’ enormous’ e±ort’to’do’in’a’non-scien7Fc’one’)’ v However,’calcula7on’of’expecta7on,’variance,’covariance’for’discrete’ random’variables’will’be’there.’ ’[for’
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midterm1-review - Review Mid term 1 This is not an...

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