Russell's Bargain Clothing is having a huge sale. All shirts are $4 each and all pants are $18 each. You go to the sale and buy twice as many shirts as pants and spend $104. How many shirts and pants were purchased? Number of shirts purchased:

Number of pants purchased:

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?