If the Standard Deviation of X Is 15,the Covariance of X

question 44

True/False

If the standard deviation of X is 15,the covariance of X and Y is 94.5,the coefficient of correlation r = 0.90,then the variance of Y is 7.0.

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Definitions:

McDonald's

A global fast-food restaurant chain known for its hamburgers, fries, and wide range of breakfast and dessert options.

Mission Statement

A short statement of why an organization exists, what its overall goal is, identifying the goal of its operations: what kind of product or service it provides, its primary customers or market, and its geographical region of operation.

Organizational Needs

The requirements or necessities that an organization must meet to achieve its goals and objectives effectively.

Product Focus

A business strategy that prioritizes the development, improvement, and marketing of its products above other considerations.