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The annual household incomes, in thousands of dollars, for 150 households in a small community are summarized in the histogram below. What proportion of households have annual incomes of $90,000 or more?
Correlation Coefficient
A statistical measure that indicates the extent to which two variables fluctuate together, revealing the strength and direction of their relationship.
Strength
The physical or mental capacity to exert force, resist challenges, or endure pressures.
Direction
Guidance or supervision towards a destination or in a particular course of action; also, the path that must be taken to reach a place.
Statistically Significant
A term indicating that the results of an analysis demonstrate a likelihood that the observed effects or differences are not due to chance.
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