Exhibit 11.13
The following questions use the data below.
The owner of Tim's Toys wants to predict monthly sales. He has collected data for 12 months. He needs your help in analyzing this data using moving averages. 
-Refer to Exhibit 11.13. What formulas go into cells B7:B9 of the following partial spreadsheet where data for periods 9-12 represent actual data?
Definitions:
Nasogastric Tube
A flexible tube that is inserted through the nose and extends to the stomach for feeding or removing stomach contents.
Swallows
The act of causing or allowing something (typically food or liquid) to pass from the mouth down through the esophagus to the stomach.
Head Flexed
A position where the head is tilted or bent forward.
Fecal Impaction
A serious condition where hard, dry masses of stool become stuck in the colon or rectum, leading to symptoms like severe constipation and abdominal pain.
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