Regression Analysis the Local Grocery Store Wants to Predict

question 68

Multiple Choice

Regression Analysis The local grocery store wants to predict the daily sales in dollars.The manager believes that the amount of newspaper advertising significantly affects the store sales.He randomly selects 7 days of data consisting of daily grocery store sales (in thousands of dollars) and advertising expenditures (in thousands of dollars) .The Excel/Mega-Stat output given above summarizes the results of the regression model. What is the value of the simple coefficient of determination?

• A)11.547
• B).762
• C).873
• D)6.6667
• E)1.6667

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Definitions:

Changing Position

In healthcare, this refers to the practice of moving or repositioning a patient to promote circulation and prevent pressure ulcers.

Hypercalcemia

Greater-than-normal amount of calcium in the blood.

Renal Calculi

Calcium stones in the renal pelvis.

Pressure Ulcers

A localized injury to the skin and/or underlying tissue, usually over a bony prominence, as a result of pressure, or pressure in combination with shear.