Athletes prepare for a competition by conditioning, controlling, their diet, and getting adequate sleep. The relationship between the hours of sleep, (x) and the competition score results f(x) is illustrated with a scatter plot. The line that best fits the data can be expressed by the function f(x) = 0.95x + 0.75 where x is the number of hours spent online and f(x) is the score at the competition. What is the meaning of the value 0.95 in the context of the data?