Suppose you were to collect data for the pair of given variables in
order to form a scatterplot. Determine if each variable is explanatory (independent), a response (dependent), or whether it could be both.
A researcher measured the number of hours of sleep a person got and then during the next day soon after the person awoke the researcher measured how tired the person was.
a. How tired you are: explanatory
Hours of sleep: responseb. How tired you are: both
Hours of sleep: explanatoryc. How tired you are: both
Hours of sleep: bothd. How tired you are: response
Hours of sleep: explanatorye. How tired you are: explanatory
Hours of sleep: both
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