THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 30

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A sample of 8 households was asked about their monthly income (x) and the number of hours they spend connected to the internet each month (y) .The data yield the following statistics:
,
,
,
,
-Calculate the sample covariance between x and y.

• A)136.313
• B)155.786
• C)181.750
• D)159.032

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Definitions:

Joint Process

A manufacturing operation that simultaneously produces multiple products from a single raw material input.

Split-off Point

In a manufacturing process, the stage at which multiple products are generated from a common input, and each can be independently processed or sold.

Joint Production Costs

Costs incurred in the process of producing two or more products simultaneously from the same raw material or process.

Financial Advantage

The benefit gained in financial terms, enabling better standing in the market or more resources for operations.