7. María obtuvo $20,000 de ganancia por la venta de su condominio. Ella invirtió parte de las ganancias en el Oriental al 1.5 % de interés y el resto en el Banco Popular al 2 % de interés. Si recibió $370 en
intereses después de un año, ¿cuánto invirtió en cada banco?

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?