Journal week 4 Susan Fellows Southern New Hampshire University CJ 347 Data-based policing strategies Professor Hall July 23, 2023
The three basic statistics in crime analysis are rate, mean, and standard deviation. Rate: A more general measure in which one quantity is divided by another quantity, where both quantities don't necessarily need the same measurement unit. These are some examples of what a graph would look like showing the rate. Mean: Gives a mathematical average of the data set, like the average age of a person who will commit their first crime.Mean may include numerical categories like social
status, race, gender, education status, and or values measured numerically beginning with zero number of birth or even disposable income, to name a few. These charts show how the mean works in research. Standard deviation: This measures how dispersed the data is in relation to the mean. A low standard deviation means data are clustered around the mean, and a high
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