Level 3 Time Series Learning Workbook covers NCEA Level 3 Achievement Standard 91580 (Mathematics and Statistics 3.8): Investigate time series data. This standard is internally assessed, and is worth 4 credits. The workbook features: • bite-sized sections of notes with student-friendly explanations • numerous worked examples to illustrate key concepts • plenty of exercises so students can improve their skills and practise problem solving • answers to all the exercises, which are provided at the end of the book • practice revision task An index gives easy access to important terms and definitions highlighted in the text. In the workbook, use is made of relevant technology, and many data sets are available online for ease of student analysis. This workbook provides a variety of questions for the student. Basic reports require a purposeful analysis of time-series data, according to the statistical enquiry cycle, using technology to produce relevant graphs and statistics, and interpreting these appropriately. Higher level reports integrate statistical and contextual knowledge to explain findings, discuss variability, demonstrate understanding of statistical models, evaluate predictions, consider related variables, and communicate results in a clear report which demonstrates understanding of all stages of the statistical enquiry cycle in the context of time series data. The concise notes and write-on exercises keep student work together in a compact format, providing a useful end-of-topic revision tool. This write-on workbook is ideal for use in the classroom, or for homework, home study and revision.