The following table presents the annual tonnage of fish caught by two trawlers since they began fishing in 2012. Trump Trawler 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 1171 1211 1187 1151 1240 1258 1240 1178 1135 1229 1038 1075 1053 1104 1079 1146 1117 1149 1121 1118 Bojo (a) Calculate the standard deviations for the tonnage of fish caught by each of the trawlers. (b) Which trawler has more consistent tonnage and why?

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