### 06. Descriptive Statistics

 IBO Syllabus Topic 2 - Descriptive Statistics2.1 Discrete & continuous data2.2 Frequency table of discrete data2.3 Grouped data (discrete & continuous): frequency tablesmid-interval valuesupper and lower boundariesfrequency histogram2.4 Cumulative frequency cumulative frequency tables for grouped datacumulative frequency curvesmedianquartilesbox & whisker diagram2.5 Measures of central tendancySimple discrete data:  mean, median, modeGrouped data (discrete & continuous): estimate of mean, modal class2.6 Measures of dispersionrangeinterquartile range (IQR)standard deviationIBO Syllabus Textbook ReferencePrior Learning p 541-5434.1 Statistical GraphsChapter 2 p42-2.1  Classification of data p44-47- Population and sample2.2 Simple discrete data p47-482.3 Grouped discrete or continuous data p48-53- Upper and lower boundaries- Frequency histograms2.4 Measures of central tendency p54-60-Mean, median and mode from a frequency table- Mean, medan and mode for grouped data2.5 Cumulative frequency curves p61-66- Interpreting cumulative frequency graphs2.6 Box and wisker graphs p67-72- Interpreting box and wisker graphs2.7 Measures of dispersion p73-78- Interpreting cumulative frequency graphsReview exercises p78-82Chapter 2 Summary p82-83IBO Formula Booklet