Elementary Statistics for Effective Library and Information Service Management

NOTE EDITORE

This title describes how best to use statistical data to produce professional reports on library activities. The authors cover data gathering, sampling, graphical representation of data and summary statistics from data, and also include a section on trend analysis. A full bibliography and a subject index make this a key title for any information professional..

SOMMARIO

IntroductionPart 1: Information about the library1.1 Reports1.2 Data gathering1.3Data gathering in an electronic environment1.4 Complete and incomplete data1.5 How to sample1.5.1 Random sampling1.5.2 Systematic sampling1.5.3 The Fussler sampling method1.5.4 Structural sampling1.6 What to sample1.6.1 Collection1.6.2 User Services1.6.3 Automation and catalogue aspects1.6.4 The personal1.6.5 External relations1.6.6 Budgets1.6.7 Data on companies involved in the library's activities1.7 Measuring scales1.7.1 Normal scale1.7.2 Rank order scale1.7.3 Interval scale1.7.4 Difference and ratio scales1.7.5 Absolute scalePart 2: Descriptive statistics2.1 Graphical aspects of data2.1.1 Mathematical functions2.1.2 Graphical representation of data2.1.3 Problems with graphical representation2.1.4 Scatterplots and regression lines2.2 Measuring central tendencies and irregularity of data2.2.1 The mean of average2.2.2 The variance and the standard deviation2.2.3 Median, quartile, percentile2.2.4 Applications: box-whisker plots, 80/20 rule, Lorenz curves2.2.5 Calculation of the equation of the regression linePart 3: Inferential statistics3.1 Goal of part 33.2 First test for the mean: one sample and one set of measurements3.3 Consequence of the first test of the mean: confidence intervals for the population mean µ3.4 Second test for the mean: one sample but with two sets of measurements3.5Third test for the mean: two samples3.6 Sample sizes3.6.1 Rough Argument3.6.2 Logical correction and refinement3.7Confidence intervals and sample sizes for multinomial fractions3.7.1 Introduction3.7.2 The correct method for determining multinomial confidence intervals3.7.3 Sample sizes for multinomial confidence intervals3.8 Epilogue: test for the quality of regression line of a scatterplot - the correlation coefficientConclusionAppendix 1. Table of random numberAppendix 2. Logic of calculationsAppendix 3. Basic arithmetic on pocket calculatorsAppendix 4. List of notationBibliographySubject Index

ALTRE INFORMAZIONI

• Condizione: Nuovo
• ISBN: 9780851424514
• Dimensioni: 9.25 x 6.25 in Ø 1.00 lb
• Formato: Brossura
• Pagine Arabe: 126