A boat traveled 19 kilometers east and 53 kilometers south, how far from its starting position is it? A 25-foot ladder rest against a house at a point 24.1 feet above the ground. How far away from the house is the base of the ladder?

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?