Formula List for Biostatistics - 1316 Words

1)Permutation----nPr = n! ---- (n-r)! 2)Combination----nCr = nPr = n! ----- ------- n r! r! (n-r)! 3)Summation-----∑ X i i =1 n 4)Product--------Л Xi i=1 5)Age specific fertility rate(Asfr)=No of live birth at specific age ------------------------------------- No of women to specific age group†¦show more content†¦mean ------ * 100 X 20) Stem-leaf plot- It is not afrequency curve. Stem is concider as 1st digit /digits leaving left digit. Stem Leaf e.g 12 ,34 ,56 ,78---stem is 1 1,2,4 11, 14,57,70 3 4 5 6,7 7 0,8 For more than two digits figure leaving left digit ,what ever in right is concider as stem. e.g. 123,346,509---stem is 12,34,50 21) Box Plot --- Maximum vlue=Q3+3*IQR } Q3---75% Inter quarantile rangeShow MoreRelatedSample Letter : Click Prediction Essay739 Words   |  3 Pagesidentities of the clicked recommendations in the test set are not revealed. Your task is to rank the recommendations in each group by decreasing predicted likelihood of being clicked. For each display_id in the test set, you must predict a space-delimited list of ad_ids, ordered by decreasing likelihood of being clicked. Introduction: To predict which recommendation is most likely to be clicked, we started off by looking into the dataset for this challenge. After going through the dataset we discussed howRead MoreXxsf6605 Words   |  27 Pagesuseful? What is multicolinearity? Know how to write HA H0 for testing the slope coefficients Know how to interpret the results of hypothesis tests write out the results Know what factors to consider when â€Å"refining† a regression equation 4 FORMULAS (DO NOT ATTEMPT TO MEMORIZE!)  µ= ÃŽ £X N ÃŽ £X n X = Range: Xmax - Xmin Finding Quartile locations: (median location +1) / 2 IQR (H-SPREAD) = Q3 – Q1 Median: Finding center location: (n+1) / 2 Definitional: ÏÆ'2 = ÃŽ £( X −  µ ) 2 N Computational:Read MoreData Analysis and Interpretation by Victor J. Schoenbach11947 Words   |  48 Pagesissues pervade epidemiologic studies, and you may find some of the material that follows of use as you read the literature. So if you find that you are getting lost and begin to wonder what points you are expected to learn, please refer to the following list of concepts we expect you to know: Need to edit data before serious analysis and to catch errors as soon as possible. Options for data cleaning – range checks, consistency checks – and what these can (and can not) accomplish. What is meant by dataRead Morepharmacoeconomic Essay14259 Words   |  58 Pagesmethods and start to systematically investigate the needs and preferences of decision makers as well as the relative importance of VOI estimates in healthcare and research funding decisions G. van de Wetering Department of Epidemiology, Biostatistics and Health Technology Assessment, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands 1 Introduction ` V. Retel Department of Psychosocial Research and Epidemiology, Netherlands Cancer Institute, Antoni van Leeuwenhoek