Journal Open your word processing document called "Unit 2 Summary Notes. Use this document to record summary notes about the information you have leared in this activity. Consider adding definitions, formulas, explanations, diagrams, graphic organizers and anything else that will help you when reviewing the unit. Be sure to include the activity name before your summary notes so you will know the broad concept for the notes. Your Unit 2 Summary Notes will be submitted at the end of the unit for assessment and evaluation MOMU. Mathematica of Data Management, Grade 12, University Preparation Unit 2: Statistics - One Variable Activity 4: Measures of Central Tendency