Racing experience (years): 6, 3, 10, 4, 4, 2, 4,7 a. Verify that the mean years of experience is 5 years. Does this value appear to adequately represent the center of the data set? b. Verify that yy) =(y-5) = 46. c. Calculate the sample variance and standard deviation for the experience data. How would you interpret the value of the standard deviation relative to the