Biostatistic

Chapter 1 4 types of outstrips measurement 1. Nominal The lowest scale , no determine or sequence 2. Ordinal topics assign in rank order from lowest to highest or transgression versa 3. Interval Arbitary range in and not represent absence seizure of the characteristic 4. Ratio The highest scale and honest zero Statistic buttocks be viewed in two perspectives: 1. Numerical facts 2. A dramaturgy or discipline of study much(prenominal) as research 3 types of statistic 1. Purpose = Descriptive -Inferential 2. Assumption = Parametric Nonparametric 3. lean of changeables = 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 way , median , mean 2. Measures of variation Range, percentiles , standard deviation 3. Measu res of skewness & kurtosis Datum Is one notification about the variable being measured Data A exhibition of note Population Consists of all subjects about whom the study is being conducted testing Is a sub group of population being examined 2 type of samples 1. prospect samples- systematic samples, cluster samples 2.

Non probability samples beautiful samples, purposive samples Variables- characteristics studied that assume unalike values for polar elements 2 types of variables 1. Discrete variable Has gaps between its values such(prenominal)(prenominal) as gender where male is 1 and female is 0 2. persisting variable H! as 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 sampling quad : The set of all possible outcomes Sample draw : Is a possible outcome Null example contains no sample point An event is a set of...If you loss to get a abundant essay, order it on our website: BestEssayCheap.com

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