Podcast
Questions and Answers
In 2003, 60 adult ______ were released on Tiritiri Matangi Island.
In 2003, 60 adult ______ were released on Tiritiri Matangi Island.
tuatara
Ten years later, 31 tuatara were found, and their body ______ were measured.
Ten years later, 31 tuatara were found, and their body ______ were measured.
lengths
The median length is approximately ______ mm, indicated by a dashed line.
The median length is approximately ______ mm, indicated by a dashed line.
220
The lengths of the tuatara range from ______ mm to 265 mm.
The lengths of the tuatara range from ______ mm to 265 mm.
The distribution is slightly skewed left, with more tuatara measuring between ______ mm and 240 mm than in other ranges.
The distribution is slightly skewed left, with more tuatara measuring between ______ mm and 240 mm than in other ranges.
What does a left-skewed distribution indicate about the body lengths of the tuatara?
What does a left-skewed distribution indicate about the body lengths of the tuatara?
What implications might the median body length of 220mm have for the population health of tuatara on the island?
What implications might the median body length of 220mm have for the population health of tuatara on the island?
How might the skewness of the data affect interpretations of the tuatara population's body size?
How might the skewness of the data affect interpretations of the tuatara population's body size?
Discuss why it is significant that only 31 tuatara were found after 10 years.
Discuss why it is significant that only 31 tuatara were found after 10 years.
What factors might contribute to the distribution of body lengths observed among the tuatara on the island?
What factors might contribute to the distribution of body lengths observed among the tuatara on the island?
Flashcards
Tuatara release
Tuatara release
60 adult tuatara were released on Tiritiri Matangi Island in 2003.
Tuatara population 2013
Tuatara population 2013
31 tuatara were found and measured in 2013.
Median body length (2013)
Median body length (2013)
The middle tuatara body length when all lengths are ordered from smallest to largest.
Tuatara length range
Tuatara length range
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Median Length ~ 220 mm
Median Length ~ 220 mm
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Skewed left distribution
Skewed left distribution
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Tuatara body length (2013)
Tuatara body length (2013)
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Median length
Median length
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Tuatara population study
Tuatara population study
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Tiritiri Matangi Island
Tiritiri Matangi Island
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Study Notes
Tuatara Body Lengths
- In 2003, 60 adult tuatara were released on Tiritiri Matangi Island.
- Ten years later, in 2013, 31 tuatara were found and their body lengths measured.
- The median body length is shown graphically.
- The graph displays the body lengths of 31 tuatara from Tiritiri Matangi Island in 2013.
- Length measurements are in millimeters (mm).
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