SOC202H1 Lecture Notes - Standard Deviation, Central Tendency, Statistical Significance
Document Summary
The median is the midpoint if there is distribution of income, where the midpoint is. Standard deviation is the spread around the mean. It tells you the mean and the spread almost like average of spread. Standardized scores will help us understand a bit more about statistics and how to come to conclusion. Start asking your neighbors how old they are, they will be 12, 65, 88, 45, etc. unlike this class where everyone is similar age deviation produces a lot of difference. Everyone calculate the mean you are getting all the deviation around the mean. Frequency: what does often or rarely mean, people say one thing, then reflect on it, then change their answers. If it is certain amount of things, like amount of lights, is easy to measure, but you cant measure the level of confidence or anything abstract. Data real scores on wfc items and index. Third said 4, then 2, then the index was 12.
