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1. The carapace lengths (measure in mm) of crawsh (Palinurus vulgaris) captured in streams in Devon and Cornwall were measured. The data. is given below: Carapace Length (in mm) Devon: 170,1ll,135,182,121,174,169,133,141,l47,159,163 Cornwall: 146 ,97, 102, 181, 107, 118,131,155,127,130 129 a. Do you have reason to believe the two populations of crawsh do bot have the same mean carapace length? Use the t test. b. Can you answer the question in a. using the Wilcoxon rank sum test? c. Compare the results obtained in a. and b. Are you surprised