A video explaining how to calculate the measures of central tendency. This video is suitable for both AS Level Maths and A-Level Maths. We cover data in list and tabular form and how to calculate these using your calculator.
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0:00 Intro
0:10 What are the measure of central tendency?
0:43 The mode from a list
1:22 The median from a list
2:45 The mean from a list
3:57 Exam Question 1
6:07 Exam Question 2
8:48 How outliers/extreme values affect the median/mean
11:09 How to find mean/median using a calculator
12:52 Example from a frequency table
17:47 Example from a grouped frequency table
21:11 Example with a different way of grouping
24:06 Example with age as the variable (be careful!)
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