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Identify the distribution as symmetric, left-skewed, or right-skewed.
-The amounts of tax paid by U.S. residents
Standard Normal Table
A mathematical table used in statistics to find probabilities associated with the standard normal distribution, where the mean is 0 and the standard deviation is 1.
Normal Distribution
A bell-shaped frequency distribution curve where most occurrences take place in the middle of the range and taper off symmetrically towards both ends.
Standardized Normal Value
A value derived from the process of transforming a data point to fit the normal distribution with a mean of 0 and a variance of 1.
Z-value
A statistical metric indicating how many standard deviations away from the mean a specific data point lies.
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