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. To conduct a test of independence,the difference expected value for the "40 and over and regularly use text messaging" cell is just over 43 people.

Question

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.  To conduct a test of independence,the difference expected value for the "40 and over and regularly use text messaging" cell is just over 43 people.

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The Answer of 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.  To conduct a test of independence,the difference expected value for the "40 and over and regularly use text messaging" cell is just over 43 people.

A Cell Phone Company Wants to Determine If the Use