STAT 340 Midterm 1 Soln

STAT 340 Midterm 1 Soln - Winter 2012 Stat 340 STAT 340 -...

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Stat 340 Winter 2012 STAT 340 - Winter 2012 In this exam please assume the following: 1. respectively. 2. You are marked according to the clarity and completness of your solutions. In particular, an answer without 3. Failure to stop writting at the required time will result in a penalty of 5 marks. This 4. The last page (leaf) of this exam is the only page you hand in. 5. Please assume that random variables are independent unless stated otherwise. 6. Watch your time. Do not waste your time on any one question. Time: 60 Minutes Page 1 of 6
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Stat 340 Winter 2012 Multiple Choice: In each case below, select the best of the available answers and write your answers on the last page . This page does not get handed in and you will not be given extra time to write your answers on the page provided. 1. Let X N (5 ; 9) ; then Z = ( X 5) 3 ± 2 has distribution, (a) N (0 ; 1) (b) 2 1 [ 1 ] (c) GAM (5 ; 9) (d) 2 5 (e) None of the above. 2. If the pvalue is 5% then an appropriate conclusion is, (a) Reject Ho (b) Reject Ha (c) There is some evidence to reject Ho. [ 1 ] (d) There is some evidence to reject Ha. (e) There is some evidence to accept Ha.
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STAT 340 Midterm 1 Soln - Winter 2012 Stat 340 STAT 340 -...

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