Jess observed that 60% of the people at a mall on a particular day shopped for clothes. if 2500 people at the mall did not shop for clothes that day, the number of people who shopped for clothes that day was (only put numeric values, no other symbols)

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?