DATA HANDLING MEAN MEDIAN MODE Median middle value

DATA HANDLING: MEAN, MEDIAN, MODE

Median = middle value

Mode = value occurs the most

Range = highest value – lowest value

• Show video: MMMR rap https: //www. youtube. com/watch? v =0 grj. Kjx. Fl. Dc

Using Geogebra in Data Handling Finding mean, median & mode: The following are the marks for a class test: 46, 27, 39, 51, 38, 40, 13, 25, 53, 44, 39, 25, 33, 23, 41, 25, 47, 29, 47, 19, 45, 22, 46 Methods on Geogebra: 1) Using input bar 2) Using input bar and spreadsheet view

Method 1: Using input bar Input bar results after pressing enter Input bar Explanation of calculation Input help button

Method 2: Using input bar & spreadsheet view

Method 2: Using input bar & spreadsheet view Click create – list – the following will appear in the algebra window

Method 2: Using input bar & spreadsheet view Type the following into input bar and enter to get above values

• Show video: Using Geogebra to calculate Mean and Median https: //www. youtube. com/watch? v =V 4 d 9 J 5 h. A 6 i. U

Now lets try it ourselves: The following exercise will be done in the Geogebra computer program: A grade 10 class has the following shoe sizes amongst all the learners: 6, 3, 8, 7, 8, 4, 6, 6, 8, 12, 6, 6, 11, 6, 9, 9, 9, 6, 9, 11, 12, 10, 4, 4, 5, 6, 7, 5, 5, 5 Determine the mean, median & mode using