Q1 Q2-The archer's mistake Q2 O 6 Q3 Worksheet Q4 No calc Total 6 29 16 archers take part in a competition. They each get a score out of 600. The sum of their scores is 6960. The sum of the squares of their scores is 3041760. Give your answers to the nearest whole number. Find the mean and standard deviation of the scores. mean = standard deviation. = [1] Find the correct mean and standard deviation of the scores. [2] One archer's score is incorrectly recorded as 343. They actually scored 363. Kuba Jaworski mean = standard deviation = O Save K [1] [2] Mark it.​