[填空题]
The tables below sho)gt :jurk2l 998zejhnp9yz s,q5xow .w the grip strength 4:g d9xi bt;p4,rqc3dv mir0eof volunteer, measured in kilogram-force (kgf) with cd04m4ed b, r r:pqt9g3vix;ia dynamometer, at various times of a certain 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