Examlex
A sports preference poll showed the following data for adults and children:
Use the 5% level of significance and test to determine whether sports preferences depend on age group.
Observed Difference
A noticeable variance between two or more groups or conditions in a study or observed phenomena.
Representative Samples
Select groups that closely match the characteristics of a larger population they are intended to represent, used in statistical analysis for research.
Accurate Generalizations
Statements or conclusions based on evidence and reasoning that correctly represent the characteristics of a broader group.
Nationally Acclaimed
Acknowledged or praised by a broad audience or authoritative bodies across a country.
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