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- The ornithologists measured the wing length and mass for rose-breasted grosbeaks. They measured the length of the wings in millimeters (mm) and the mass in grams (g). They recorded their data in the table below:
- Make a point graph of the data for rose-breasted grosbeaks. Plot wing length on the horizontal axis and mass on the vertical axis. Scale your horizontal axis to 150 millimeters and your vertical axis to 100 grams.
- Using the graph, estimate the average wing length of the rosebreasted grosbeaks that were captured.
- Using the graph, estimate the average mass of the rose-breasted grosbeaks that were captured.
- Use the data in the table to find the exact value of the median mass.
- How does your answer for Part C compare with your answer for Part D?
- Another bird, a cardinal, typically has a wing length of about 90 millimeters and a mass of about 35 grams. If you measured the wing length and mass for several cardinals, where on your graph would the data cluster be?
