Examlex
Find the value of y using the 12-hour clock.
8 + y = 4
Sample Mean
The average of all the values in a sample set of data.
Confidence Interval
A span of values, taken from sample statistics, seen as likely to encase the value of an unidentified population parameter.
Confidence Level
The probability, expressed as a percentage, that a parameter lies within a specified range of values (confidence interval).
Population Mean
The average value of a property in a population.
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