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Asked Jan 16, 2020

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Weighing Seals with a Camera The table below lists overhead widths (cm) of seals measured from photographs and the weights (kg) of the seals (based on “Mass Estimation of Weddell Seals Using Techniques of Photogrammetry,” by R. Garrott of Montana State University). For the prediction interval, use a 99% confidence level with an overhead width of 9.0 cm.

Step 1

Assume *x* be the overhead widths (cm) and *y* be the weights (kg) of the seals.

Excel is used to obtain the required prediction interval. Steps are as follows:

- Enter the data into spreadsheet.
- Go to Add-Ins>PHStat>Regression>Simple linear regression.
- Select Weight for Y varia...

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