Answer question 150 words or more, Consider the following news headline, \"Cigar
ID: 3208043 • Letter: A
Question
Answer question 150 words or more, Consider the following news headline, "Cigarette Smokers Make Lower College Grades than Nonsmokers" The news article goes on to say that researchers at a university collected information on rate of cigarette smoking (total number of cigarettes smoked in a one month period) and the college student's current GPA for completed college courses. They found that those with higher levels of cigarette use had lower GPAs, and vice versa. What can you rightfully conclude from this? Why? Be specific about what this kind of information may indicate and mean.
Explanation / Answer
Suppose here x: is the rate of cigaratte smoking , y: is the current GPA
If you use the regression between two variables x and y then you get correlation coefficeint between two variables .
Its shows relation between two variable . Suppose you get correlation coefficeint r=0.90 , 90% relation between two variables. It conclude that GPA is low for smoking use.