[ 341 ] Life Science GED ® TEST SCIENCE FLASH REVIEW • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • A student reads a lab report on a population growth study. The report contains this graph. 1,000 800 600 400 200 0 0 10 20 30 Days Population Which best describes the model shown in the graph? A. sigmoidal function B. linear function C. exponential function D. parabolic function In a biology experiment, a student measures the mass of several mice in a control group. The masses (in g) are shown: 19.5, 18.2, 20.1, 20.1, 22.3, 17.9 Which is the median of the data set?