Biostatistic

Chapter 1 4 types of masters measurement 1. Nominal The lowest scale , no determine or sequence 2. Ordinal topics assign in rank order from lowest to highest or misdeed versa 3. Interval Arbitary range in and not represent absence seizure of the characteristic 4. Ratio The highest scale and honest zero Statistic offer be viewed in two perspectives: 1. Numerical facts 2. A eye socket or discipline of study much(prenominal) as research 3 types of statistic 1. Purpose = Descriptive -Inferential 2. Assumption = Parametric Nonparametric 3. human action of unsettleds = 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 order , median , mean 2. Measures of variation Range, percentiles , standard deviation 3. Measure s of lopsidedness & kurtosis Datum Is one notification about the variable being measured Data A exhibition of observation Population Consists of all subjects about whom the study is being conducted try Is a sub group of population being examined 2 type of samples 1. opportunity samples- systematic samples, cluster samples 2.

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

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