Airplanes use distance measuring equipment(dme) to measure the distance from the plane to nearest radar station. if the distance from a plane to a radar station is 160 miles and the angle of depression is 34 degree, find the number of ground miles from a point directly below the plane to the radar station.

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?