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 believe, the following data was collected: 
What is the value of the standard error of estimate?
Definitions:
Reaction Mechanism
The step-by-step sequence of elementary reactions by which overall chemical change occurs, detailing the specific way in which atoms or groups of atoms move and bonds are formed or broken.
Detail
An individual feature, fact, or item that is considered significant and provides information or contributes to an overall understanding of a subject.
Stepwise
Involves processes or reactions occurring in a sequential manner, one step at a time.
Major Organic Product
The primary product of a chemical reaction, typically in higher yield compared to any side products.
Q4: Data is collected from 20 sales people
Q6: i. If two or more series of
Q9: i. The F distribution is positively skewed
Q29: i. A scatter diagram is a chart
Q30: Several employees have submitted different methods of
Q49: Identify the main point or issue in
Q72: i. For the population means, the alternate
Q79: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7521/.jpg" alt=" What is the
Q85: i. The multiple standard error of estimate
Q90: It is claimed that in a bushel