Last year, miguel opened an investment account with $7800. at the end of the year, the amount in the account had increased by 7.5%. how much increase is this in dollars? how much money was in his account at the end of last year?

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