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The body length of the following adult diamondback watersnakes (Nerodia rhombifer) were obtained and separated by...

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The body length of the following adult diamondback watersnakes (Nerodia rhombifer) were obtained and separated by male and female. Please calculate the mean and standard deviation for males and females separately and for males and females together. Is the coefficient of variation higher when males and females are pooled (grouped together) or when males and females values are kept separately? Show work if you do this by hand or attach printout if you use SPSS

Males Females

69 cm 119 cm

79 cm 122 cm

76 cm 117 cm

83 cm 135 cm

73 cm 122 cm

81 cm 130 cm

 

asked 5 years ago in Statistics by anonymous

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