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CONTENT

Introduction………………………………………………. 5
1. Estimation of measurement errors.……………..…...…… 6
2. Elements of the theory of dimensions of physical quantities 13

3. Similarity of phenomena and processes. Criteria of
similarity……………………………………………....... 15
4. Experimental studies……………………………………. 21
4.1 Planning of an experiment. Selection of factors of
experiment planning and conversion of factors into
conventional scale. Drafting of planning matrix………. 21
4.2 Definition of coefficients of linear equation of
regression……………………………………………… 24
4.3 Analysis of equation of regression. Evaluation of
variance of reproduction or error of experiments……… 28
4.4 Evaluation of significance of regression coefficients…. 31
4.5 Evaluation of correctness of the model………………… 35
4.6 Methods of excluding minor factors and anomalous
values……………………………………………………. 38
4.7 Finding of parameters of empirical formulas………….. 43
References ………………..……….………………….…. 46

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