Historically, the mean systolic blood pressure (SBP) has been a
rather high 139 units for adults in the population. We are
interested in whether a recent health campaign on diet and exercise
has potentially lowered the mean.
Which are the correct hypotheses?
Null Hypothesis: population mean SBP equals 139; Alternative
Hypothesis: population mean SBP not equal to 139
Null Hypothesis: population mean SBP greater than 139;
Alternative Hypothesis: population mean SBP less than 139
Null Hypothesis: population mean SBP equals 139; Alternative
Hypothesis: population mean SBP less than 139
Null Hypothesis: population mean SBP equals 139; Alternative
Hypothesis: population mean SBP greater than 139
Historically, the mean systolic blood pressure (SBP) has been a rather high 139 units for adults in the population. We a
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Historically, the mean systolic blood pressure (SBP) has been a rather high 139 units for adults in the population. We a
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