Jason observed a large art sculpture in a local park and wanted to know its height, but the sculpture was much taller than he could measure. Jason measured the length of the shadow of the sculpture's highest point to be 15 feet long. If the top of a slide in the same park, measured at the same time of day, has a height of 90 inches and a shadow length of 54 inches, how tall is the art sculpture at its highest point?

A.
51 feet
B.
30 feet
C.
20 feet
D.
25 feet

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?