Examlex
A decrease in the price level causes an increase in aggregate quantity demanded.
Sample Means
The average value of a set of data samples from a population.
Margin of Error
An expression of the amount of random sampling error in a survey's results, indicating how much the survey results might differ from the true population value.
Confidence Level
The probability that the true parameter will fall within the confidence interval, expressed as a percentage.
Sample Size
The number of observations or datapoints that are used in a statistical sample.
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