Examlex
Find two positive numbers whose product is 121 and whose sum is a minimum.
Sample Size
The number of observations or units included in a sample, which represents a portion of the population being studied.
Variable
A variable is an attribute that can take on various values among different individuals or across different times or places.
Confidence Level
The probability that a parameter will fall between two values for a specified proportion of times.
Confidence Interval
A range of values, derived from sample statistics, that is likely to contain the true population parameter with a specified level of confidence.
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