If the Standard Deviation of X Is 18,the Covariance of X

question 172

True/False

If the standard deviation of x is 18,the covariance of x and y is 120,the coefficient r = 0.90,then the standard deviation of y is 54.87.

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Definitions:

Japanese Labor Relations

Characterized by strong cooperation between management and labor, lifetime employment practices, and enterprise unionism.

Employee Representation

The practice of having employees involved in making decisions about workplace conditions, policies, and other matters affecting their work.

Codetermination

A practice where workers have a role in the management of companies, typically through representation on corporate boards.

Sit-down Strike

is a form of protest where workers physically occupy their workplace but refuse to work, aiming to halt production to leverage demands without abandoning their positions to replacements.