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Simplify. Write the answer using positive exponents.
Sample Mean
The average value of a sample set from a population, often used as an estimate of the population mean.
Standard Deviation
A quantification of the level of diversity or variability in a collection of values, demonstrating how much the values differ from their average.
Tire Pressures
The measure of air pressure within a tire, typically measured in pounds per square inch (PSI) or bar, important for vehicle safety and efficiency.
Normal Distribution
A probability distribution that is symmetric about its mean, indicating that data near the mean are more frequent in occurrence.
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