Suppose a study was done to determine if the average amount of sleep that students get the day before an exam is less than 6 hours.An SRS of 100 students from a university was taken and a mean of 5.5 hours was computed from the sample.The figure below provides the results of the analysis. The alternative hypothesis is ________.
A)one-sided
B)two-sided
C)three-sided
D)four-sided

Question

Suppose a study was done to determine if the average amount of sleep that students get the day before an exam is less than 6 hours.An SRS of 100 students from a university was taken and a mean of 5.5 hours was computed from the sample.The figure below provides the results of the analysis.  The alternative hypothesis is ________.
A)one-sided 
B)two-sided 
C)three-sided 
D)four-sided

Quizplus · Accepted Answer

The alternative hypothesis only states that the average sleep is less than 6 hours, indicating a one-sided test.

Suppose a Study Was Done to Determine If the Average