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Exhibit 11-1
Last year, the standard deviation of the ages of the students at UA was 1.8 years. Recently, a sample of 61 students had a standard deviation of 2.1 years. We are interested in testing to see if there has been a significant change in the standard deviation of the ages of the students at UA.
-Refer to Exhibit 11-1. The p-value for this test is
Level Switch
A device used to detect the level of liquid or solid materials within a container or environment, triggering an action when a certain level is reached.
Temperature Switch
A device that activates or deactivates based on a specific temperature threshold being reached.
Proximity Sensor
A device that detects the presence or absence of a nearby object without physical contact, often using electromagnetic fields, light, or sound.
Photoelectric Sensor
A device that uses light to detect the presence, absence, or distance of an object.
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