According to the following the federal excise tax on both tobacco and alcohol accounts for of total unds raised. Total Federal Excise Tax % of Total Funds Raised 40% 38% 30% 20% 17% 15% 15% 10% 10% 6% 0% Fuel АCА Tobacco Aviation Alcohol Other O bar chart ----- 25 % O histogram 30 % scatter plot 12 % O pie chart 46 % % of total funds raised
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.
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