You are given the following information obtained from a random sample of 4 observations. 
At a .05 level of significance, use Excel to determine whether or not the mean of the population from which this sample was taken is significantly different from 48. (Assume the population is normally distributed.)
Definitions:
Monetary Incentives
Financial rewards given to employees or stakeholders to motivate performance or behaviors aligned with organizational objectives.
Performance Increases
Improvements in the efficiency, effectiveness, or quality of work produced by an individual or team.
Overpaid Worker
An employee who receives compensation significantly above the market rate for their role or performance level.
Equity
The principle of fairness and justice in the distribution of benefits, resources, and responsibilities.
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