Jason recorded the prices of the seven race cars he sold this week in the table below. 126,000-1 140,000-2 180,000-1 400,000-2 819,000-1 part a: what is the mean value of these race cars in dollars? part b: what is the median value of these race cars in dollars? part c: if jason earns commission each week on his sales, should he use the mean or the median value to predict his commission next week? part d: justify your answer in part c using 3-4 sentences. your explanation should include at least 4 of the following words: -mean -median -outlier -data or data values -spread