Construiti cercurile C1 de centru O1 si C2 de centru O2 tangente interioare in punctul T. Cu ajutorul riglei stabiliti coliniaritatea punctelor O1, O2 si T si apoi aratati ca cele doua cercuri au aceeasi tangenta in punctul T. (trb facut de clasa 6 a)

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?