: 15. Biologists were concerned about the declining population of a rare lizard, so they restricted human access to the lizard breeding area. The biologists then collected population data for 6 years. Refer to the scatter plot to answer the questions. Average Number of Lizards in Restricted Area 700 650 600 - 550 500 450 400 350 300 250 0 2 Year a. In which year did limiting human access to the area begin to affect the lizard population? Average Number of Lizards .-0 .6. HO 3 ON 7 b. The outlier appears at (circle the correct answer): (0, 400) (6,650) (5,300) C. Does the scatter plot show a positive correlation, a negative correlation, or no correlation