Introductory Applied Statistics for the Life Sciences
Introductory Applied Statistics for the Life Sciences STAT 371
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This 1 page Class Notes was uploaded by Mrs. Triston Collier on Thursday September 17, 2015. The Class Notes belongs to STAT 371 at University of Wisconsin - Madison taught by Quoc Tran in Fall. Since its upload, it has received 20 views. For similar materials see /class/205074/stat-371-university-of-wisconsin-madison in Statistics at University of Wisconsin - Madison.
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Date Created: 09/17/15
Quoc Tran B248D MSC tran statlwiscledu STAT 371 Discussion 4 October 2 2006 1 Mean and Variance of a Discrete Random Variable 0 Mean EY uy ZyiPY 7 where yi s are the values that Y can take 0 Variance VarY 039y2 Z 7 uy2PY 0 Standard Deviation SDY 0y VarY 2 Binomial Distribution 0 Ask 4 questions ls this binomial distribution How many trials What is success and What is the probability of success 0 Technique Change the statement7 make it t with success statement 3 Normal Distribution 0 Basic problem Y N N01PX lt a c a is known7 nd 0 look up table on the front cover 0 Another basic problem Y N NO1PX lt a c c is known7 nd a look up table on the front cover again7 but from inside out 0 Look different7 use change wizards PX gt a 17PX lt at7 Pa lt X lt b PX lt b7PX lt at7 hint use graph ofnormal curve to gure out o Standardization formula if Y N N01 02 then Z N NO1 0 Technique to remember the above formula Y N Np702 equiv Y 7 1 N0 02 equiv L N N0 1 Now you do the same for the probability PltYltagtPltYwltawgtPlt lt gtPltZlt U U 4 Sampling Distribution 0 Two important theorems Theorem 517 Page 159 and Theorem 527 Page 170 Examples 0 Example 1 324 on page 102 0 Example 2 43c on page 131 Discussion 0 How do we know data follow normal distribution Of ce hours 230430pm Tues at B248D MSC 1 httpWWWlstattwiscleduNtran
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