Examlex
Describe quality circles. How does the use of quality circles improve quality?
Alternative Hypothesis
Represents a statement that contradicts the null hypothesis and is considered true if the null hypothesis is proven to be false, often denoting the presence of an effect or difference.
Test Statistic
A value calculated from sample data to evaluate a hypothesis in statistical hypothesis testing.
Sampling Distribution
The probability distribution of a statistic (for example, a mean, variance) obtained from a large number of samples drawn from a specific population.
Confidence Interval
A span of numbers obtained from sample data which is expected to encompass the value of a not yet known population characteristic, specified with a defined degree of certainty.
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