148242 148242 30-01-2022 Mathematics contestada The following are the last 10 run scores Colin got in cricket: 5 , 3 , 9 , 11 , 4 , 28 , 0 , 30 , 0 , 23 a) Work out Colin's mean score. b) Colin plays cricket again on Sunday. He gets 30 runs. What is his new mean score? Give your answers as decimals.