Percentage of Democratic Vote by Counties in Georgia: 38 46 53 45 34 35 31 42 53 45 40 46 49 43 41 40 41 41 46 51 57 59 49 46 44 35 38 53 36 47 41 53 49 66 68 53 56 41 41 35 40 48 38 55 62 41 42 39 44 57 52 40 66 52 34 33 50 49 56 44
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.
A.) How Democratic is Georgia? County-by-county results are shown for a recent election
B.) List the five number-summary. Compute the IQR. Make a box-and-whisker plot. Compute a 75% Chebyshev: between what two values does 75% of the data lie?
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