Compare the standard deviation of a data set when removing

Last updated: 6/9/2023

Compare the standard deviation of a data set when removing an outlier An outlier is an extreme value that is significantly less or more than the rest of the data During his 20 season NHL career Wayne Gretzky scored more points than anyone who played professional hockey He accomplished this feat while playing fewer games than the previous record holder Here are the number of games Gretzky played during each season 79 80 80 80 74 80 80 79 64 78 73 78 74 45 81 48 80 82 82 70 Calculate the standard deviation with all his games and without his two lowest seasons Compare the data Rounding to the nearest hundredth the difference between the standard deviation with and without the outliers is