Biostatistic

Chapter 1 4 types of photographic plates measurement 1. Nominal The lowest scale , no determine or sequence 2. Ordinal topics assign in rank order from lowest to highest or valetudinarianism versa 3. Interval Arbitary range in and not represent absence of the characteristic 4. Ratio The highest scale and honest zero Statistic pot be viewed in two perspectives: 1. Numerical facts 2. A field of battle or discipline of study much(prenominal) as research 3 types of statistic 1. Purpose = Descriptive -Inferential 2. Assumption = Parametric Nonparametric 3. get along of variables = Univariate- bivariate- multivariate Descriptive inferential- Numerical estimates that organize and sum up or present the data Inferential statistic The process of inferring from a sample to the population. 3 components of descriptive statistic 1. Measures of central tendency vogue , median , mean 2. Measures of variation Range, percentiles , standard deviati on 3. Measures of lopsidedness & kurtosis Datum Is one notification about the variable being measured Data A exhibition of reflexion Population Consists of all subjects about whom the study is being conducted tribulation Is a sub group of population being examined 2 type of samples 1. prospect samples- systematic samples, cluster samples 2.

Non probability samples harming samples, purposive samples Variables- characteristics studied that assume unalike values for unalike elements 2 types of variables 1. Discrete variable Has gaps between its values much(prenominal) as gender wh ere male is 1 and female is 0 2. persistin! g variable Has no gaps between its values such as age Chapter 2: Probability and bayes theorem Probability: Is a branch of mathematic that deals with quantifying and modeling the uncertainty relating to random experiments try out quad : The set of all possible outcomes Sample capitulum : Is a possible outcome Null example contains no sample point An event is a set of...If you involve to get a abundant essay, order it on our website: BestEssayCheap.com

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