Some research has indicated that as people age they need les
     Some research has indicated that as people age they need less sleep. A random sample of adult was selected and the number of hours that they sept last noght was recorded simple regression analysis was performed on this sample and partial result are show below. We can reject the null hypothesis and conclude mat there is a positive relationship between the hours of sleep and the age of the adult  We can reject the null hvpothests and conclude mat mere is a negative relationship between the hours of sleep and me age of the about  We cannot reject the null hypothesis and conclude that theie .s a positive relationship between the hours or sleep ana tne age of the We cannot reject the null hypomesis and conclude mat there is a negative relationship between the hours of sleep and me age of me about We cannot reject the nu.1 hypothesis and conclude mat there Is no relationship between the hours of sleep and me age of me about.  
  
  Solution
we can reject the null hypothesis and conclude that there is a postiive relationship between the hours of sleep and the age of adult

