A Recent Study of the Relationship Between Social Activity and Education

question 101

Multiple Choice

A recent study of the relationship between social activity and education for a sample of corporate executives showed the following results. The null hypothesis for the analysis is __________________________.

• A)There is no relationship between social activity and education.
• B)The correlation between social activity and education is zero.
• C)As social activity increases, education increases.
• D)The mean of social activity equals the mean of education.

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Definitions:

Runout Tolerances

Specifies the limits within which the variation of a surface's location and the feature's circularity must be contained as it rotates around a datum axis.

Datum Feature

A physical feature of a part that acts as a reference for measurement and geometry during machining or inspection processes.

RFS

Requirement for the feature size; a specification in geometric tolerancing where size is a factor.

Runout Tolerance

A type of geometric tolerance that controls the variation of a feature's surface as it rotates about a datum axis.