A student refers to data recording the number of hours of additional sleep gained by 12...
A student refers to data recording the number of hours of additional sleep gained by 12 patients from the use of a certain herb. We want to see if there is strong evidence that the herb can help people get more sleep. a) State the null and alternative hypotheses clearly.
A. Upper H 0: The mean additional hours of sleep is zero. (mudequals0) Upper H Subscript Upper
A: The mean additional hours of sleep is less than zero. (mudless than0)
B. Upper H 0: The mean additional hours of sleep is zero. (mudequals0)
Upper H Subscript Upper A The mean additional hours of sleep is greater than zero. (mudgreater than0)
C. Upper H 0: The mean additional hours of sleep is different than zero. (mudnot equals0)
Upper H Subscript Upper A: The mean additional hours of sleep is zero. (mudequals0)
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A student refers to data recording the number of hours of
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