(Solved): (a) A yega instructor coflectod stedent data. She found that studests who had less aleep ded not ten ...

(a) A yega instructor coflectod stedent data. She found that studests who had less aleep ded not tend to have a greater range of motive doriag claus. What cas she cenclede?

There is ne cerrelation bewwen amount of sleep and range of marion. Tree is a correlation the Then a done be devermina this. increase in the range of notion which increase is the amount of aleep. (b) A traffic study elebrmised that a larger city population indicates a linger cemmate time for drivers. What can we say frem this inflomention? There is no correlation bebreen cammube time and cty population. There is a cemelatish between gemmete time and cry population. Wowevect there is no chnaties. This is because there is an incruse in the esmalle time with as increase in the city popolation. to determina this. (c) A cempany found that employees who start mork earlier do not necessarily drink more or less celliee. Which statement is most Marly true? There is no correlation betwes mart sime and anount of caffee consumed. be fout to fetermise this. increase in the amous all onliee sensimed wh an earlar statt time.