IBO Syllabus Topic 2 - Descriptive Statistics 2.1 Discrete & continuous data 2.2 Frequency table of discrete data 2.3 Grouped data (discrete & continuous): frequency tables mid-interval values upper and lower boundaries frequency histogram 2.4 Cumulative frequency cumulative frequency tables for grouped data cumulative frequency curves median quartiles box & whisker diagram 2.5 Measures of central tendancy Simple discrete data: mean, median, mode Grouped data (discrete & continuous): estimate of mean, modal class 2.6 Measures of dispersion range interquartile range (IQR) standard deviation IBO Syllabus   | Textbook Reference Prior Learning p 541-543 4.1 Statistical Graphs Chapter 2 p42- 2.1 Classification of data p44-47 - Population and sample 2.2 Simple discrete data p47-48 2.3 Grouped discrete or continuous data p48-53 - Upper and lower boundaries - Frequency histograms 2.4 Measures of central tendency p54-60 -Mean, median and mode from a frequency table - Mean, medan and mode for grouped data 2.5 Cumulative frequency curves p61-66 - Interpreting cumulative frequency graphs 2.6 Box and wisker graphs p67-72 - Interpreting box and wisker graphs 2.7 Measures of dispersion p73-78 - Interpreting cumulative frequency graphs Review exercises p78-82 Chapter 2 Summary p82-83 IBO Formula Booklet  |