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Use the distributive property to write the expression without parentheses. Then simplify, if necessary.
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Confidence interval
A gamut of numbers, produced from sample statistics, believed to enfold the covert value of a population parameter.
Sample standard deviation
A statistic that measures the dispersion of a dataset relative to its mean and is calculated as the square root of the variance.
True average age
The actual mean age of all individuals in a specified group or population.
Defective parts
Components or units that fail to meet the quality standards or specifications.
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