Use the following to answer questions: 
-(Table: Marginal and Total Benefit) Look at the table Marginal and Total Benefit. Sed is deciding how many football games he wants to attend this year. If tickets to each football game cost $10, then he should attend _____ game(s) .
Definitions:
Time Study
An analytical procedure used to determine the standard time required for a skilled worker to perform a given task under specified conditions and at a defined rate of performance.
Sample Size
The number of observations or data points collected in a study or experiment, which can affect the validity and reliability of statistical analysis.
Level Of Confidence
The level of confidence quantifies the degree of certainty or assurance in the results of a statistical analysis, often expressed as a percentage.
Z-Value
A statistical measure that represents the number of standard deviations a data point is from the mean.
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