[填空题]
The tables below show the grip stre1vd 4fts88fc .rbez- jngth of voluntees6fkzzuh5 c: p:ooy c;a* +qy*r, measured in kilogram-force (kgf) with a dynamometer, at various times of a certaz:qko *fay:pcou 6yh;cz* s5+in day starting at midnight.
1.Draw the scatter plot on the axes provided below and describe it.
2. Find an appropriate model for the volunteers grip strength S in terms of hours since midnight h .
3. Using your model, find the average grip strength of the volunteer.
4. Use your model to predict the volunteers qrip strenath at 15: 00 .≈ kgf
