Prove That the Regression R2 Is Identical to the Square

question 1

Essay

Prove that the regression R2 is identical to the square of the correlation coefficient between two variables Y and X.Regression functions are written in a form that suggests causation running from X to Y.Given your proof,does a high regression R2 present supportive evidence of a causal relationship? Can you think of some regression examples where the direction of causality is not clear? Is without a doubt?

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Money owed by a company to its creditors for goods and services that have been received but not yet paid for.

Inventory

Goods or materials that a business holds for the purpose of resale or production.

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An asset account that represents insurance paid in advance, which is expensed as it is used or over time.

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A liability account on a company's balance sheet representing money owed to creditors for goods and services purchased on credit.