Marika is training for a track race she starts by sprinting 100 yards . she gradually increases her distance , adding 4 yards a day for 21 days how far does she sprint on day 21  using an=100+(n-1)4

Will make ! for correct answer the dot plot below shows the number of toys 21 shops sold in an hour.is the median or the mean a better center for this data and why? a. median; because the data is not symmetric and there are outliersb. median; because the data is symmetric and there are no outliersc. mean; because the data is symmetric and there are no outliersd. mean; because the data is skewed and there are outliers