A sociologist is interested in how often Americans watch the late (10 pm or 11 pm) news broadcast. Equipping the television sets in a random sample of 100 homes with electronic monitoring devices, she determined the number of newscasts watched during a particular week in October. The results are displayed in the following frequency distribution:

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Days 0123 f Days 26 24 18 13 4567 7 f nonmo 5 6 5 3 N = 100