Statistics
Master CSEC statistics — types of data, frequency tables and class features, statistical diagrams (bar, pie, line, histograms and frequency polygons), and measures of central tendency with guidance on choosing the right average. Each lesson has worked examples and practice.
21 lessons
Curriculum
Types of Data and Frequency Tables
- 📄Types of Data
- 📄Constructing Frequency Tables
- 📄Class Features of Grouped Data
Statistical Diagrams
- 📄Bar Charts and Line Graphs
- 📄Pie Charts
- 📄Histograms and Frequency Polygons
Measures of Central Tendency
- 📄Mean, Median and Mode of Raw Data
- 📄Averages from Frequency Tables and Grouped Data
- 📄Choosing the Most Appropriate Average
- 📄Estimating the Mean Using an Assumed Mean
Measures of Dispersion
- 📄Range and Quartiles
- 📄Interquartile and Semi-Interquartile Range
- 📄Standard Deviation
Cumulative Frequency and the Ogive
- 📄Cumulative Frequency Tables
- 📄Drawing the Cumulative Frequency Curve (Ogive)
- 📄Reading the Ogive — Median, Quartiles and Proportions
Probability
- 📄Sample Space and Theoretical Probability
- 📄Experimental Probability and Making Inferences
- 📄Mutually Exclusive Events
- 📄Independent Events
- 📄Dependent Events