Calculating the Pearson Correlation Involves Calculating Eight Things: ΣX², (ΣX)²

question 8

Multiple Choice

Calculating the Pearson correlation involves calculating eight things: ΣX², (ΣX) ², ΣY², (ΣY) ², SS_X, SS_Y, SP_XY, and r. How many of these eight things can be a negative number?

• A) 1
• B) 2
• C) 3
• D) 4 or more

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Definitions:

Closed Shop

Union security arrangement under which a person must be a union member before being hired; illegal for those covered by the National Labor Relations Act.

Wagner Act

A foundational piece of U.S. labor legislation passed in 1935 that protects the rights of workers to organize into unions, engage in collective bargaining, and take collective action such as strikes.

Collective Bargaining

The process in which working people, through their unions, negotiate contracts with their employers to determine their terms of employment.

Taft-Hartley Act

A 1947 U.S. federal law that restricts the activities and power of labor unions.