2. Collection of Data Secondary One Histogram Pie chart Bar graph Line graph Frequency table Grouped freq. table Dot diagram Dots above a horizontal line to represent statistics. Stem and Leaf diagram Value split into two parts, each of different numbered-digits.
3. The Mode Appears the Most number of times The Mean Sum of data over Number of data The Median The data in the Middle position of all data when arranged The Common Averages
4. Remember to study usage of calculator and Averages for Grouped data END