Examlex
Suppose you intend to test the claim that a typical high school student in Sydney spends more than $50 a week on mobile phone calls. Which hypotheses are used to test the claim?
Numerical Information
Data that is expressed or can be expressed in numbers, playing a critical role in analysis, measurement, and quantitative studies.
Statistics
The science of collecting, analyzing, interpreting, and presenting data.
Mathematics
The abstract science of number, quantity, and space, either as abstract concepts (pure mathematics) or as applied to other disciplines such as physics and engineering (applied mathematics).
Conclusive Cause and Effect Relationship
A relationship where changes in one variable result in changes in another, with no alternative explanation.
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