For Activities 19 through 21, use the table below and the information concerning the...

For Activities 19 through 21, use the table below and the information concerning the 1918 influenza epidemic.

Civilian Influenza Deaths

a. Write a logistic model for civilian deaths.

b. Even though a logistic model appears to fit the data reasonably well, it cannot be used for extrapolation. What factors may cause the slowing of the spread of influenza but not cause a complete leveling off?