Jeff's average math grade is 92.8. sarah's average math grade is 67.9. how much higher is jay's average math grade than sarah's? a) 24.9 b) 25.1 c) 25.9 d) 34.9

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