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Tail-Feather Length in Birds Is Sometimes a Sexually Dimorphic Trait

Question 40

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Tail-feather length in birds is sometimes a sexually dimorphic trait. That is, the trait differs substantially for males and for females. Researchers studied the relationship between weight (x) and tail-feather length (y) in a sample of five wild male long-tailed finches. Here are the data:
 weight (g)  tail length (mm) 20.882.519.182.515.967.016.770.515.773.5\begin{array} { c c } \text { weight } ( \mathrm { g } ) & \text { tail length } ( \mathrm { mm } ) \\20.8 & 82.5 \\19.1 & 82.5 \\15.9 & 67.0 \\16.7 & 70.5 \\15.7 & 73.5\end{array} Which of the following scatterplots is a correct representation of these data?


A)
 Tail-feather length in birds is sometimes a sexually dimorphic trait. That is, the trait differs substantially for males and for females. Researchers studied the relationship between weight (x)  and tail-feather length (y)  in a sample of five wild male long-tailed finches. Here are the data:  \begin{array} { c c }  \text { weight } ( \mathrm { g } )  & \text { tail length } ( \mathrm { mm } )  \\ 20.8 & 82.5 \\ 19.1 & 82.5 \\ 15.9 & 67.0 \\ 16.7 & 70.5 \\ 15.7 & 73.5 \end{array}  Which of the following scatterplots is a correct representation of these data? A)    B)    C)    D)
B)
 Tail-feather length in birds is sometimes a sexually dimorphic trait. That is, the trait differs substantially for males and for females. Researchers studied the relationship between weight (x)  and tail-feather length (y)  in a sample of five wild male long-tailed finches. Here are the data:  \begin{array} { c c }  \text { weight } ( \mathrm { g } )  & \text { tail length } ( \mathrm { mm } )  \\ 20.8 & 82.5 \\ 19.1 & 82.5 \\ 15.9 & 67.0 \\ 16.7 & 70.5 \\ 15.7 & 73.5 \end{array}  Which of the following scatterplots is a correct representation of these data? A)    B)    C)    D)
C)
 Tail-feather length in birds is sometimes a sexually dimorphic trait. That is, the trait differs substantially for males and for females. Researchers studied the relationship between weight (x)  and tail-feather length (y)  in a sample of five wild male long-tailed finches. Here are the data:  \begin{array} { c c }  \text { weight } ( \mathrm { g } )  & \text { tail length } ( \mathrm { mm } )  \\ 20.8 & 82.5 \\ 19.1 & 82.5 \\ 15.9 & 67.0 \\ 16.7 & 70.5 \\ 15.7 & 73.5 \end{array}  Which of the following scatterplots is a correct representation of these data? A)    B)    C)    D)
D)  Tail-feather length in birds is sometimes a sexually dimorphic trait. That is, the trait differs substantially for males and for females. Researchers studied the relationship between weight (x)  and tail-feather length (y)  in a sample of five wild male long-tailed finches. Here are the data:  \begin{array} { c c }  \text { weight } ( \mathrm { g } )  & \text { tail length } ( \mathrm { mm } )  \\ 20.8 & 82.5 \\ 19.1 & 82.5 \\ 15.9 & 67.0 \\ 16.7 & 70.5 \\ 15.7 & 73.5 \end{array}  Which of the following scatterplots is a correct representation of these data? A)    B)    C)    D)

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