An employer asks the survey question "How much money do you spend on gasoline per week to get to work?" of her employees that drive to work. Which best describes why she chose to only ask the employees that drive to work rather than all of her employees?

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

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?