The following ANOVA table shows the results of a study in which three different teachers taught calculus classes of five different sizes.The class average was recorded for each class.Assuming no effect from the interaction between teacher and class size,test the claim that the teacher has no effect on the class average. 
Definitions:
Drive Overwrite Program
Software designed to securely erase data from a hard drive by overwriting existing information with patterns of meaningless data, ensuring the original data is unrecoverable.
Remote Desktop
A technology that allows a user to connect to and control a computer from a distant location over a network or the internet.
Remote Assistance
A Windows tool used to remotely access a Windows device. The remote computer displays a prompt requesting permission for remote access. Contrast with Remote Desktop, which does not request permission.
Disk Management
A Windows utility that provides users with the capability to manage the partitions and drives connected to their system.
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