An 80 meter rope is suspended at its two ends from the tops of two 50 meter flagpoles. If the lowest point to which the midpoint of the rope can be pulled is 36 meters from the ground, then the distance, in meters, between the flagpoles is: A. 6√39
B. 36√13
C. 12√39
D. 18√13
E. 12√26
Please ignore the other doodles in the picture

For a science project, a high school research team conducted a survey of local air temperatures. based on the results of the survey, the found that the average temperatures were around 10 degrees higher than expected. this result was wrong. the trouble with the survey was that most of the locations were exposed to direct sunlight and located over asphalt or sand, which resulted in higher temperatures than normal. this is a classic example of an error in which phase of inferential statistics?