Are middle-class families more likely than working-class families to maintain contact with relatives? Write a paragraph summarizing the results of these tests.
a. A sample of middle-class families reported an average of 7.3 visits per year with close relatives, while a sample of working-class families averaged 8.2 visits. Is the difference significant?
b. The middle-class families averaged 2.3 phone calls and 8.7 e-mail messages per month with close relatives. The working-class families averaged 2.7 calls and 5.7 e-mail messages per month. Are these differences significant?
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