1. BIOMETRY QUESTION AND ANSWER
a) What isthe meaningof the following conceptsasusedinExperimental Design?
i) Analysisof Variance :Is the statistical device forpartitioningthe total variationinto
separate componentsthatmeasure differentsource of variations.
ii) Treatments:These are procedureswhose effectare tobe measure andcomparedwith
other procedures
iii) Designof an Experiment: Isaplanset upto obtainrelevantinformationto answerthe
research questionof interest.
iv) Response:Isthe resultobserved foraparticularexperimental unit.
v) Level:The variousvaluesorclassification of factorsare knownas the level of factors
vi) Experimentalerror: Variationfromplotto plotwhichis due to randomfactorsbeyond
humancontrol.
vii) Randomizationprinciple:Isanessential principle inexperimental designinvolvesthe
assignmentof treatmentstothe experimental unitsbase on chance mechanism.
viii) Replicationprinciple,Refertothe number of time a treatmentappearinexperiment
units.
ix) Local control : Is the technique of reducingexperimental error bymeaningfully
groupingof experimental unity
