Researchers have discovered that individuals with lower
Chapter , Problem 6(choose chapter or problem)
Researchers have discovered that individuals with lower income levels report having fewer hours of total sleep. Therefore, a. income and sleep levels are positively correlated. b. income and sleep levels are negatively correlated. c. income and sleep levels are inversely correlated. d. income and sleep levels are not correlated. e. lower income levels cause individuals to have fewer hours of sleep.
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