Base your answer to the question on the data table below and on your knowledge of biology. The data table shows the concentration of
estrogen in picograms per milliliter (pg/mL) in the blood of a woman over the course of 28 days.
Estrogen Concentration in Blood
Concentration of
Estrogen (pg/mL)
15
10
20
28
Day
1
5
30
80
200
25
180
30
2. [Refer to figure 1]
The concentration of estrogen at day 8 is closest to
1.28 pg/mL 3. 150 pg/mL
2.80 pg/mL
4.200 pg/mL