The print capacity of ink cartridges in computer printers is a concern to many buyers due to the cost of cartridges. The observed print capacities (in number of pages) of black ink cartridges in a sample of 12 Epsmark printers and a sample of 12 Lexson printers are shown below. Do the data indicate, using = .10, that a difference exists in the print capacities associated with the two brands of printers? 
Definitions:
Speaker Crackles
A common audio issue where speakers emit a crackling or popping sound, often due to loose connections, damaged audio devices, or compatibility problems.
Power Supply Problems
Issues related to the device that converts power from a source to the correct voltage, current, and frequency to power a computer, leading to operational failures or erratic behavior.
Radio Frequency Interference
Disturbance generated by an external source that affects an electrical circuit by electromagnetic induction or conduction.
Low Humidity
A condition where the air contains relatively little moisture, which can affect various electronic equipment and manufacturing processes.
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