Questo prodotto usufruisce delle SPEDIZIONI GRATIS
selezionando l'opzione Corriere Veloce in fase di ordine.
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Introduction
Part 1: Information about the library
1.1 Reports
1.2 Data gathering
1.3Data gathering in an electronic environment
1.4 Complete and incomplete data
1.5 How to sample
1.5.1 Random sampling
1.5.2 Systematic sampling
1.5.3 The Fussler sampling method
1.5.4 Structural sampling
1.6 What to sample
1.6.1 Collection
1.6.2 User Services
1.6.3 Automation and catalogue aspects
1.6.4 The personal
1.6.5 External relations
1.6.6 Budgets
1.6.7 Data on companies involved in the library's activities
1.7 Measuring scales
1.7.1 Normal scale
1.7.2 Rank order scale
1.7.3 Interval scale
1.7.4 Difference and ratio scales
1.7.5 Absolute scale
Part 2: Descriptive statistics
2.1 Graphical aspects of data
2.1.1 Mathematical functions
2.1.2 Graphical representation of data
2.1.3 Problems with graphical representation
2.1.4 Scatterplots and regression lines
2.2 Measuring central tendencies and irregularity of data
2.2.1 The mean of average
2.2.2 The variance and the standard deviation
2.2.3 Median, quartile, percentile
2.2.4 Applications: box-whisker plots, 80/20 rule, Lorenz curves
2.2.5 Calculation of the equation of the regression line
Part 3: Inferential statistics
3.1 Goal of part 3
3.2 First test for the mean: one sample and one set of measurements
3.3 Consequence of the first test of the mean: confidence intervals for the population mean µ
3.4 Second test for the mean: one sample but with two sets of measurements
3.5Third test for the mean: two samples
3.6 Sample sizes
3.6.1 Rough Argument
3.6.2 Logical correction and refinement
3.7Confidence intervals and sample sizes for multinomial fractions
3.7.1 Introduction
3.7.2 The correct method for determining multinomial confidence intervals
3.7.3 Sample sizes for multinomial confidence intervals
3.8 Epilogue: test for the quality of regression line of a scatterplot - the correlation coefficient
Conclusion
Appendix 1. Table of random number
Appendix 2. Logic of calculations
Appendix 3. Basic arithmetic on pocket calculators
Appendix 4. List of notation
Bibliography
Subject Index
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