Anika receives $0.11 in royalties each time her new song is played on the radio, and $0.38 in royalties for each digital download from a website. During January, her song was played an average of 150 times per day and downloaded a total of 3100 times. Approximately how much did Anika receive in royalties? Note that January has 31 days.

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?