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In a survey of sleeping habits, 8400 national adults were selected randomly And contacted by phone....

In a survey of sleeping habits, 8400 national adults were selected randomly And contacted by phone. Respondents were asked "typically how many times per week do you sleep less than 6 hours during the night" on average those surveyed reported an average of 1.8 nights per week in which they got less than 6 hours of sleep. The number 1.8 in this setting is a what?

A. Parameter
B. Population
C. Statistic
D. Sample

math   Statistics-And-Probability   
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