Question 5: Clearly define the variables and parameters and set up the hypotheses for each part. In 2010, Bell Canada took an average 0.4 hours to...

To study the sleeping pattern of adolescents, a sample of 50 adolecscents, all free of severe illness, are randomly selected. The research believe that people with low sleep efficiency had an average of systolic blood pressure to be higher than 132 mm Hg.