Understanding quantitative data in educational research / Nicoleta Gaciu.

Includes bibliographical references and index.

Part 1 Understanding quantitative data and R -- Introduction to information, knowledge and quantitative data -- An introduction to R and RStudio -- Part 2 Data visualization -- Graphical representation of data -- Part 3 Providing information about data -- Descriptive statistics -- Measures of dispersion and distributions -- Normal distribution and standardised scores -- Part 4 Making estimations and predictions from data -- Fundamentals of inferential statistics -- Estimation and hypothesis testing -- Part 5 From sample to population -- One-sample tests -- Differences between two independent or dependent samples -- Differences between more than two independent samples -- Differences between more than two dependent samples -- Part 6 Relationships and predictions -- Relationships between variables -- Predictions for independent and dependent variables.