In a manufacturing production process, two machines are being compared. The data below shows the diameters, measured in millimeters, of a sample of ball bearings produced by each machine. 
Use Excel to determine whether the variance in diameters differs between the two machines? Use a .05 level of significance.
Definitions:
Safety Needs
The second level in Maslow's hierarchy of needs, encompassing the need for security, protection, and stability in one's physical and social environment.
Job Security
The probability that an individual will retain their job without the risk of becoming unemployed.
Frustration-Regression Principle
A concept suggesting that when a higher-level need is frustrated, individuals may regress to lower-level needs that are easier to satisfy.
Reactivated Need
A previously satisfied need that becomes active again due to changes in circumstances or environment.
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