A sales manager for an advertising agency believes there is a relationship between the number of contacts and the amount of the sales. To verify this belief, the following data was collected: 
The SS total is:
Definitions:
Secure Wall Framed Items
Measures taken to ensure that framed pictures or artworks on walls are safely and firmly attached, often to prevent damage or injury.
Safety Alarm
A device or system designed to alert individuals or authorities in instances of potential danger, such as break-ins, fires, or gas leaks.
Self-Assessment
An evaluation process by which an individual reflects on and judges their own performance, abilities, or qualities.
Monitor
To observe, track, or check for a specific purpose over a period of time, often to detect changes or progress.
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