2.( 1) one quarter (2) one half (3) one sixth

3. After drawing, pay attention to whether the title, data and date are marked on the statistical chart.

(1) (150+200+250+230+200)/5 = 206 (m/min)

I estimate that Yun Yun runs170m in the sixth minute. Because the more time you run, the lower your physical strength and the slower your running speed.