200 Region North South East West Total Asian 600 200 150 100 Total 1. Calculate location quotients for each region and each racial group in the population. 2. Calculate the coefficient of localization of each group.
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
4.
Consider a geographic area divided into four regions, north, south, east, and west. The following table lists the population of these regions in three racial categories: Asian, Black, and White: (from the textbook by Burt et al. p. 154)
Population
Black White
200
300
150
300
700
400
250
200
Region
North
South
East
West
Total
Asian
600
200
150
100
Total
1. Calculate location quotients for each region and each racial group in the population. 2. Calculate the coefficient of localization of each group.
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