The key of a highschool basketball court is made up of a rectangle with a semicircle attached. the length of the rectangle is 19 feet and the width is 12 feet. the 12-foot side of the rectangle is the diameter of the semicircle. What is the approximate area of the key?

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?