In January, David began putting the same amount of money each month into his savings account. In February, he had $85 in his account, not including interest. By June, he had $135 in his account, not including interest. How much money was in the savings account before David began saving each month? *

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?