Use the data set below to answer the following question. 2,4,7,2,3,7,9,3,1,7 what is the mean of this data set a. 8 b. 4.5 c. 7 d. 3.5

Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )