Examlex
A person has decided to construct a frequency distribution for a set of data containing 60 numbers.The lowest number is 23 and the highest number is 68.If 7 classes are used, the class width should be approximately _______.
Significance Level
The probability of rejecting the null hypothesis in a statistical test when it is actually true, typically denoted by alpha (α).
Pilots' Union
An organization representing the collective interests of pilots, often involved in bargaining for better wages, working conditions, and safety standards.
Confidence Interval
A range of values, derived from the sample data, that is likely to contain the value of an unknown population parameter.
Hypotheses
Statements or predictions that are formulated for empirical testing, representing the initial step in the scientific method.
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