Titre :	Statistical methods for chemists
Type de document :	texte imprimé
Auteurs :	W. J. Youden, Auteur
Editeur :	New York : John Wiley & Sons
Année de publication :	1951
Collection :	Wiley publications in statistic
Importance :	x, 126 p.
Langues :	Anglais (eng)
Catégories :	Chimie théorique
Note de contenu :	"*Precision and accuracy: Interpretation of data;Small sets of data; Independence of measurements;Constants errors;Rounding off data * The measurement of precision: The average deviation; the standard deviation; normal law of error; Calculation of standard deviation; degrees of freedom; confidence limits; comparison of standard deviations * The comparison of averages: the t test; the F test * The resolution of errors: sampling and analytical errors; sampling in two stages *Statistics of the straight line: detection of constant errors; standard deviation of slope; Standard deviation of intercept; measuring the fit of the line; comparison of slopes * The analysis of variance: relation between t and F tests; use of variance to compare averages; precautions in using the analysis of variance * Interaction between factors: the concept of interaction; interpretation of data * Requirement for data: planning the experimental program; replication of measurments; arrangement of experimental material; random arrangements * Arrangements for improving precision: grouping measurements in blocks; latin square arrangements; incomplete block arrangements * Experiments with several factors: factorial experiments; confounding; systematic selection of expertimental trials. List of publications reffered to in the text. Appendixes ; Index"
Cote :	B-H038 (SdS)
Num_Inv :	415

Statistical methods for chemists [texte imprimé] / W. J. Youden, Auteur . - New York : John Wiley & Sons, 1951 . - x, 126 p.. - (Wiley publications in statistic) .
Langues : Anglais (eng)

Catégories :	Chimie théorique
Note de contenu :	"*Precision and accuracy: Interpretation of data;Small sets of data; Independence of measurements;Constants errors;Rounding off data * The measurement of precision: The average deviation; the standard deviation; normal law of error; Calculation of standard deviation; degrees of freedom; confidence limits; comparison of standard deviations * The comparison of averages: the t test; the F test * The resolution of errors: sampling and analytical errors; sampling in two stages *Statistics of the straight line: detection of constant errors; standard deviation of slope; Standard deviation of intercept; measuring the fit of the line; comparison of slopes * The analysis of variance: relation between t and F tests; use of variance to compare averages; precautions in using the analysis of variance * Interaction between factors: the concept of interaction; interpretation of data * Requirement for data: planning the experimental program; replication of measurments; arrangement of experimental material; random arrangements * Arrangements for improving precision: grouping measurements in blocks; latin square arrangements; incomplete block arrangements * Experiments with several factors: factorial experiments; confounding; systematic selection of expertimental trials. List of publications reffered to in the text. Appendixes ; Index"
Cote :	B-H038 (SdS)
Num_Inv :	415