A cell phone company wants to determine if the use of text messaging is independent of age. The following data has been collected from a random sample of customers. 
Using this data, if we wish to test whether the preferred news source is independent of age using a 0.05 level of significance, the critical value is 5.9915.
Definitions:
Dissociative Disorders
A group of mental disorders characterized by an involuntary escape from reality, involving disruptions in identity, memory, awareness, perception, and/or sense of self.
Personality Disorders
Mental disorders characterized by rigid and unhealthy patterns of thinking, functioning, and behaving.
Psychotic Disorders
A group of mental disorders characterized by abnormal thinking and perceptions, including delusions and hallucinations, leading to a disconnect from reality.
Anxious Distress
A condition characterized by worry and tension, often as a reaction to an environment perceived as uncontrollable or unavoidable.
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